Pith Number

pith:X2Q4WNUE

pith:2021:X2Q4WNUEGB3UVQTWR43SPDI4WH

not attested not anchored not stored refs pending

Reasoning Graph Networks for Kinship Verification: from Star-shaped to Hierarchical

Abudukelimu Wuerkaixi, Jianjiang Feng, Jie Zhou, Jiwen Lu, Wanhua Li

arxiv:2109.02219 v1 · 2021-09-06 · 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{X2Q4WNUEGB3UVQTWR43SPDI4WH}

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	2026-07-05T03:11:39.992513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bea1cb368430774ac2768f37278d1cb1c3d5189147dc37efee2beedcf1a468aa

Aliases

arxiv: 2109.02219 · arxiv_version: 2109.02219v1 · doi: 10.48550/arxiv.2109.02219 · pith_short_12: X2Q4WNUEGB3U · pith_short_16: X2Q4WNUEGB3UVQTW · pith_short_8: X2Q4WNUE

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/X2Q4WNUEGB3UVQTWR43SPDI4WH \
  | 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: bea1cb368430774ac2768f37278d1cb1c3d5189147dc37efee2beedcf1a468aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22fee9ba72b848efe183fbc41fd92c57399d8f4c6a5eef53ea076c39cd663e83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-06T03:16:56Z",
    "title_canon_sha256": "4e085aed274e3a5d41099faea0d41403bec0a2b09a854c7a1fd35d4ab5364d22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.02219",
    "kind": "arxiv",
    "version": 1
  }
}