Pith Number

pith:L67SKYNT

pith:2016:L67SKYNTBILF6IRIYCEVI67WZO

not attested not anchored not stored refs pending

Families in the Wild (FIW): Large-Scale Kinship Image Database and Benchmarks

Joseph P. Robinson, Ming Shao, Yue Wu, Yun Fu

arxiv:1604.02182 v2 · 2016-04-07 · 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{L67SKYNTBILF6IRIYCEVI67WZO}

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	2026-05-18T00:45:04.941289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fbf2561b30a165f2228c089547bf6cba5051efad129a7446e5925e9f7ea5bb2

Aliases

arxiv: 1604.02182 · arxiv_version: 1604.02182v2 · doi: 10.48550/arxiv.1604.02182 · pith_short_12: L67SKYNTBILF · pith_short_16: L67SKYNTBILF6IRI · pith_short_8: L67SKYNT

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/L67SKYNTBILF6IRIYCEVI67WZO \
  | 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: 5fbf2561b30a165f2228c089547bf6cba5051efad129a7446e5925e9f7ea5bb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96f674bcaf1bb582c63545474840a9e69ae2aa51ebe9013e7fca6db6a6695f45",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-07T21:45:53Z",
    "title_canon_sha256": "7785fff895eab2e16d442c4c325edbc4866bcf652b678e53c32af32a06e1448f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.02182",
    "kind": "arxiv",
    "version": 2
  }
}