Pith Number

pith:FQNUOOGQ

pith:2017:FQNUOOGQN7U4CV5I4YSOLSOAWQ

not attested not anchored not stored refs pending

Exploration of the strength of family links

Bertrand M. Roehner, Peter Richmond

arxiv:1707.04426 v1 · 2017-07-14 · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQNUOOGQN7U4CV5I4YSOLSOAWQ}

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	2026-05-18T00:19:27.637853Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c1b4738d06fe9c157a8e624e5c9c0b430c277405052bacbdcc4094c2acda891

Aliases

arxiv: 1707.04426 · arxiv_version: 1707.04426v1 · doi: 10.48550/arxiv.1707.04426 · pith_short_12: FQNUOOGQN7U4 · pith_short_16: FQNUOOGQN7U4CV5I · pith_short_8: FQNUOOGQ

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/FQNUOOGQN7U4CV5I4YSOLSOAWQ \
  | 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: 2c1b4738d06fe9c157a8e624e5c9c0b430c277405052bacbdcc4094c2acda891

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b709443c2934ff77b4a92ac2830ef2ec4daeca900778536f99fe5e47324246a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2017-07-14T09:13:18Z",
    "title_canon_sha256": "46a41f8faa37352def4e4ffce66f56ecc1b39670c8954d60da777250e4a49f40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.04426",
    "kind": "arxiv",
    "version": 1
  }
}