Pith Number

pith:FOT2CRVJ

pith:2020:FOT2CRVJZRVBHV2P344YDS75Y6

not attested not anchored not stored refs pending

A Unified Approach to Kinship Verification

Eran Dahan, Yosi Keller

arxiv:2009.05871 v1 · 2020-09-12 · 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{FOT2CRVJZRVBHV2P344YDS75Y6}

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	2026-07-05T01:35:02.001287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ba7a146a9cc6a13d74fdf3981cbfdc79f8a757b18e18a59f83ff35dea713570

Aliases

arxiv: 2009.05871 · arxiv_version: 2009.05871v1 · doi: 10.48550/arxiv.2009.05871 · pith_short_12: FOT2CRVJZRVB · pith_short_16: FOT2CRVJZRVBHV2P · pith_short_8: FOT2CRVJ

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/FOT2CRVJZRVBHV2P344YDS75Y6 \
  | 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: 2ba7a146a9cc6a13d74fdf3981cbfdc79f8a757b18e18a59f83ff35dea713570

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eef0d7ad1dfa9ef02afe912e669360206631134df77a24223eabac5efcca625a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-09-12T22:13:56Z",
    "title_canon_sha256": "a0147ebdcd2913d89867ea31692e75b6679a617f7a7fbf09637e9455697da71c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05871",
    "kind": "arxiv",
    "version": 1
  }
}