Pith Number

pith:YSH2T2Z7

pith:2025:YSH2T2Z7PL6SGM63GZUPIE72CV

not attested not anchored not stored refs pending

Action Unit Enhance Dynamic Facial Expression Recognition

Chen Shi, Feng Liu, Lingna Gu, Xiaolan Fu

arxiv:2507.07678 v1 · 2025-07-10 · 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{YSH2T2Z7PL6SGM63GZUPIE72CV}

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	2026-07-05T11:35:02.847579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c48fa9eb3f7afd2333db3668f413fa154866df1c48cc57d64b3c849551570f02

Aliases

arxiv: 2507.07678 · arxiv_version: 2507.07678v1 · doi: 10.48550/arxiv.2507.07678 · pith_short_12: YSH2T2Z7PL6S · pith_short_16: YSH2T2Z7PL6SGM63 · pith_short_8: YSH2T2Z7

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/YSH2T2Z7PL6SGM63GZUPIE72CV \
  | 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: c48fa9eb3f7afd2333db3668f413fa154866df1c48cc57d64b3c849551570f02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1db23d7cf94482ea665e80bcf0bf062f4a57b6dd85c092c2f76d2b6f3a251ebd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-10T11:59:43Z",
    "title_canon_sha256": "1c4c0c438c30a57f2e9bb554f31f30a396ce7d97988c4f03570de9704e90c2fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.07678",
    "kind": "arxiv",
    "version": 1
  }
}