Pith Number

pith:5SEZBYLY

pith:2025:5SEZBYLYAIBZTJMT5ZQHCZDALO

not attested not anchored not stored refs pending

Detecting Deepfake Talking Heads from Facial Biometric Anomalies

Hany Farid, Justin D. Norman

arxiv:2507.08917 v1 · 2025-07-11 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SEZBYLYAIBZTJMT5ZQHCZDALO}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T11:36:00.689284Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec8990e178020399a593ee607164605baea5a33ac053ad8d20a53cf4c0b35037

Aliases

arxiv: 2507.08917 · arxiv_version: 2507.08917v1 · doi: 10.48550/arxiv.2507.08917 · pith_short_12: 5SEZBYLYAIBZ · pith_short_16: 5SEZBYLYAIBZTJMT · pith_short_8: 5SEZBYLY

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/5SEZBYLYAIBZTJMT5ZQHCZDALO \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: ec8990e178020399a593ee607164605baea5a33ac053ad8d20a53cf4c0b35037

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4943a3ca3563d7f3437bacb6a88d7e5b1671ec5719fe6a33945cefd494ca0f9e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-11T16:29:25Z",
    "title_canon_sha256": "7658972a35ec5a1d299c84f770d3fe7cbbf7491c33444556a10ba79ad2375913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08917",
    "kind": "arxiv",
    "version": 1
  }
}