Pith Number

pith:OMKGL43U

pith:2021:OMKGL43U3ELZFWYVL3COSATB6F

not attested not anchored not stored refs pending

What Is Considered Complete for Visual Recognition?

Jianlong Chang, Lingxi Xie, Longhui Wei, Qi Tian, Xiaopeng Zhang

arxiv:2105.13978 v1 · 2021-05-28 · 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{OMKGL43U3ELZFWYVL3COSATB6F}

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	2026-07-05T02:44:13.043966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

731465f374d91792db155ec4e90261f16aa78c09ebf04f06bb8606798ebe5664

Aliases

arxiv: 2105.13978 · arxiv_version: 2105.13978v1 · doi: 10.48550/arxiv.2105.13978 · pith_short_12: OMKGL43U3ELZ · pith_short_16: OMKGL43U3ELZFWYV · pith_short_8: OMKGL43U

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/OMKGL43U3ELZFWYVL3COSATB6F \
  | 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: 731465f374d91792db155ec4e90261f16aa78c09ebf04f06bb8606798ebe5664

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8619b62c0c269f228637179e203c88de12566f29cc243d97a67a4331fccc6710",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-28T16:59:14Z",
    "title_canon_sha256": "f02e575a004790563509ad6e27fd73a1a6f056d516abc9b4415479ba4e778bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.13978",
    "kind": "arxiv",
    "version": 1
  }
}