Pith Number

pith:JWYFPC5Z

pith:2021:JWYFPC5ZLXXAR2CDFIQ63E5UVK

not attested not anchored not stored refs pending

Curating Subject ID Labels using Keypoint Signatures

Laurent Chauvin, Matthew Toews

arxiv:2110.04055 v1 · 2021-10-07 · 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{JWYFPC5ZLXXAR2CDFIQ63E5UVK}

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	2026-07-05T03:21:00.405403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db0578bb95dee08e8432a21ed93b4aab32a04034e7569286479c88433d933ba

Aliases

arxiv: 2110.04055 · arxiv_version: 2110.04055v1 · doi: 10.48550/arxiv.2110.04055 · pith_short_12: JWYFPC5ZLXXA · pith_short_16: JWYFPC5ZLXXAR2CD · pith_short_8: JWYFPC5Z

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/JWYFPC5ZLXXAR2CDFIQ63E5UVK \
  | 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: 4db0578bb95dee08e8432a21ed93b4aab32a04034e7569286479c88433d933ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf3212605d5d22ece59b7e2da6461061ad09478658f7e1b3ccd017e3987a1e01",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-10-07T05:23:35Z",
    "title_canon_sha256": "a3c6a6b730ffc130c51f2c453ab98e8b0893fa3888e19012ff68d4251a34f8e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.04055",
    "kind": "arxiv",
    "version": 1
  }
}