Pith Number

pith:HHLHNTVY

pith:2026:HHLHNTVYVG7XSMYGFZQT5K6VYP

not attested not anchored not stored refs pending

Physiological Signals as a Forensic Modality for Talking-Face Deepfake Detection

Othmane Harraq, Tamer Aldwairi

arxiv:2607.21776 v1 · 2026-07-23 · cs.LG · cs.CR · cs.CV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HHLHNTVYVG7XSMYGFZQT5K6VYP}

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	2026-07-27T00:20:20.340784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39d676ceb8a9bf7933062e613eabd5c3ee726c8078893c712da3cdecb99f4c26

Aliases

arxiv: 2607.21776 · arxiv_version: 2607.21776v1 · doi: 10.48550/arxiv.2607.21776 · pith_short_12: HHLHNTVYVG7X · pith_short_16: HHLHNTVYVG7XSMYG · pith_short_8: HHLHNTVY

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/HHLHNTVYVG7XSMYGFZQT5K6VYP \
  | 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: 39d676ceb8a9bf7933062e613eabd5c3ee726c8078893c712da3cdecb99f4c26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a37fa9175f3dcd1f0894bf619b2f7b44eec0f40f074722155f5aac59e98ced3e",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.CV",
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-23T19:47:15Z",
    "title_canon_sha256": "6cfb57cdd97000f98441233d8e08c36ce3a58cb550f28cfbc611096a5a0ab686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21776",
    "kind": "arxiv",
    "version": 1
  }
}