Pith Number

pith:DVB2A7WH

pith:2021:DVB2A7WHD2JAUVRI4A7OOJFH4A

not attested not anchored not stored refs pending

Detect Faces Efficiently: A Survey and Evaluations

Hanyang Peng, Jianguo Zhang, Shiqi Yu, Yan-ran Li, Yuantao Feng

arxiv:2112.01787 v1 · 2021-12-03 · cs.CV · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVB2A7WHD2JAUVRI4A7OOJFH4A}

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	2026-07-05T03:37:32.332054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d43a07ec71e920a5628e03ee724a7e02939420dc5279bde8518d9a8eb772b4b

Aliases

arxiv: 2112.01787 · arxiv_version: 2112.01787v1 · doi: 10.48550/arxiv.2112.01787 · pith_short_12: DVB2A7WHD2JA · pith_short_16: DVB2A7WHD2JAUVRI · pith_short_8: DVB2A7WH

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/DVB2A7WHD2JAUVRI4A7OOJFH4A \
  | 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: 1d43a07ec71e920a5628e03ee724a7e02939420dc5279bde8518d9a8eb772b4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63f34560aacb674f0f003511d9848d779638e470a34f89576591ea5a630c66c4",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-12-03T08:39:40Z",
    "title_canon_sha256": "bb8b0db4c887407b9114b3ac46f325c5d773405d5e66bd3fec9e8878ee9d27bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.01787",
    "kind": "arxiv",
    "version": 1
  }
}