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May 19, 2026 · 48-hour takedown clock ·

For Plaintiffs' Attorneys · US

By ProofSnap Editorial Team · ·

Your NCII client brought phone screenshots. Your case needs a forensic ZIP.

In short: ProofSnap is a Chrome/Edge browser extension that captures live web pages as FRE 902(13)/(14) self-authenticating ZIPs for non-consensual intimate imagery (NCII), deepfake, and revenge-porn civil litigation under VAWA 15 U.S.C. § 6851, the DEFIANCE Act ($150K–$250K liquidated damages, pending), state revenge-porn civil statutes, and Take It Down Act FTC escalation. Company Plan $18.99/seat/month (minimum 2 seats). 7-day free trial.

ProofSnap is a browser extension for your firm and your clients. Paralegals capture during investigation; clients buy SnapPack for $4.99 and email you the ZIPs before the retainer is signed.

Each ZIP carries an SHA-256 hash, RSA-4096 signature, and Bitcoin OpenTimestamps anchor any opposing expert can verify at opentimestamps.org — the authentication foundation Rossbach-style challenges can't tear apart.

ProofSnap Chrome extension for plaintiffs' attorneys — capture NCII and deepfake postings as FRE 902-ready ZIPs with SHA-256 hash, RSA-4096 signature, and Bitcoin OpenTimestamps anchor for VAWA §6851, DEFIANCE Act, and state revenge-porn civil actions

For your firm

  • Partners, associates, paralegals capture during intake & investigation
  • Admissible under FRE 902(13)/(14) with your Rule 902(11) certification
  • Firm-wide Company Plan $18.99/seat/month, min 2 seats

For your clients

  • Client buys SnapPack $4.99, captures 10 items, emails you the ZIPs
  • Evidence arrives before the retainer is signed or access is cut off
  • Same forensic ZIP structure as firm-captured evidence

The ZIP your client emails you

13-file forensic evidence package.

Designed to support authentication under FRE 902(13) (certified records generated by an electronic process or system) and 902(14) (certified data copied from an electronic device), both effective December 1, 2017, with a hash + signature + blockchain-anchor triple you or opposing counsel can verify independently at opentimestamps.org.

screenshot.jpeg Visual capture of the page
capture_video.webm Screen recording of capture
page.html Full HTML content
domtextcontent.txt Extracted DOM text
metadata.json Timestamp, URL, browser, TLS
evidence.pdf Compiled evidence report
provenance_certificate.pdf Content credentials / capture integrity
manifest.json File listing + SHA-256 hashes
manifest.sig RSA-4096 digital signature
manifest.json.ots OpenTimestamps Bitcoin anchor
publickey.pem Public key (verify signature)
forensic_log.json ISO/IEC 27037 capture log
chain_of_custody.json Device + NTP verification

Rules 902(13) and 902(14) require a written certification from a qualified person. The attorney or qualified custodian prepares and signs that certification; the ZIP provides the underlying technical record to reference.

Key case law for quick reference

The authentication cases your motion will cite.

  • Griffin v. State, 419 Md. 343 (2011) — social-media printouts alone don't authenticate authorship. ProofSnap captures the full account profile alongside posts, giving you the circumstantial foundation under FRE 901(b)(4).
  • Commonwealth v. Mangel, 181 A.3d 1154 (Pa. Super. 2018) — extends Griffin's authorship concern. Same foundation applies; the ZIP's HTTP/TLS metadata can rebut a spoofing defense.
  • Rossbach v. Montefiore Med. Ctr., No. 21-2084 (2d Cir. 2023) — dismissal for fabricated screenshots based on device-metadata inconsistency. ProofSnap's SHA-256 + RSA-4096 + OpenTimestamps Bitcoin anchor makes post-hoc fabrication detectable by any reviewer.
  • Lorraine v. Markel Am. Ins. Co., 241 F.R.D. 534 (D. Md. 2007) — Judge Grimm's ESI framework (Rule 901 / 801–807 / 1001–1008 / 403). The ZIP supports the Rule 901 identification prong; remaining prongs are your legal work.
  • Dendrite Int'l v. Doe No. 3, 775 A.2d 756 (N.J. 2001) — four-step John Doe unmasking test requires evidence supporting each element of the claim. The ZIP satisfies the posting-authenticated prong; the subpoena handles identity.
  • Commonwealth v. Banas, 5 N.E.3d 3 (Mass. App. Ct. 2014) — Facebook screenshot printout ruled inadmissible without additional circumstantial authentication of authorship. Reinforces the Griffin/Mangel pattern and the attorney's need for a stronger-than-screenshot foundation.
  • United States v. Vayner, 769 F.3d 125 (2d Cir. 2014) — VKontakte page authentication reversed for insufficient circumstantial evidence of ownership. Same doctrinal family; HTTP/TLS handshake metadata in the ZIP rebuts the core Vayner concern.
  • Doe v. Cahill, 884 A.2d 451 (Del. 2005) — Delaware's summary-judgment variant of the Dendrite framework for unmasking anonymous online speakers. Stricter evidentiary burden on the plaintiff; the ZIP helps satisfy it.

Causes of action

Where ProofSnap evidence goes in your claim stack.

File parallel. One forensic ZIP per posting; reference across filings.

  • VAWA 15 U.S.C. § 6851 — federal civil remedy, actual damages or $150,000 liquidated damages, plus attorney's fees and costs. The statute does not specify its own limitations period; the federal catch-all 4-year period under 28 U.S.C. § 1658 generally applies, though state-law analogues may extend it. Verify current case law before relying on any specific deadline.
  • DEFIANCE Act (S.1837, pending) — federal civil remedy for AI deepfakes, $150,000–$250,000 liquidated damages if enacted.
  • State revenge-porn civil statutes — nearly all 50 states, notably California Civil Code § 1708.85, Illinois NDPSIA, Virginia Code § 8.01-40.4, Texas Civil Practice & Remedies Code Chapter 98B, New York Civil Rights Law § 52-B.
  • FTC complaint under Section 5 — if a covered platform misses the 48-hour Take It Down Act takedown. Not a private right, but a pressure point (UDAP violation).
  • Federal criminal referral — FBI IC3 at ic3.gov. For minor victims, NCMEC CyberTipline 1-800-843-5678 (CSAM rules override ordinary intake).
  • EU DSA Article 16 — parallel track if content is visible in the EU. Consider Enterprise tier eIDAS qualified timestamps for EU court weight.

Firm pricing

Start free. Upgrade when you bill for the matter.

7-day free trial on all plans. Billing starts at day 8 unless you cancel — credit card required to start the trial, charged only after the trial period if you don't cancel. Firm overhead, not per-capture billing.

Recommended for firms

Company Plan

$18.99 / seat / month

Minimum 2 seats · annual $190/seat (save 17%).

✓ 7-day free trial · cancel by day 7 at zero cost

  • Unlimited captures per seat
  • Team dashboard + shared audit log
  • 5 eIDAS qualified timestamps per user/month (Art. 41 EU presumption)
  • FRE 902(13)/(14) self-authenticating ZIPs
  • Bitcoin OpenTimestamps anchoring on every capture
  • Priority support
Start 7-day free trial →
Cancel by day 7 Cancel any time after Questions?

Solo attorney · Enterprise single-seat

$28.99 / month

Annual $280/yr (save 20%).

✓ 7-day free trial · cancel by day 7 at zero cost

  • Unlimited captures
  • Unlimited eIDAS qualified timestamps on every capture (EU court-ready)
  • Bitcoin OpenTimestamps + RSA-4096
  • Priority support
  • SAML/SCIM SSO available
Start 7-day free trial →

Credit card required to start · cancel by day 7 at zero cost

Chrome Web Store verified Microsoft Edge Add-ons Local-only · no privilege issue Annual plans save 17–20%

Low-volume alternative: for 1–3 NCII matters a year, refer the client to the victim-facing LP to buy SnapPack $4.99 directly — same 13-file forensic ZIP, no firm subscription.

See full pricing table for Essential ($8.99/mo) and Professional ($16.99/mo) mid-tiers.

Attorney FAQ

Next NCII matter is always one call away

Install the Chrome extension now. Use it on your next intake call.

7-day free trial — cancel by day 7 at zero cost. The moment your client describes the first post, you text them the install link and they send you a forensic ZIP before they hang up.

Cancel by day 7 at zero cost · download sample ZIP first · support@getproofsnap.com

Legal disclaimer: This page provides general information for plaintiffs' attorneys and is not legal advice. ProofSnap is not a law firm and does not represent clients. Consult a licensed attorney before relying on any content. Case-law summaries are abbreviated for context; read the opinions before citing them. Statutes and the status of pending legislation (including the DEFIANCE Act) change; verify current text before filing.

Start 7-day free trial →

Cancel by day 7 at zero cost · from $18.99/seat/month