Pith Number

pith:2QHFB4PP

pith:2014:2QHFB4PPMBKLVVLCR4X4KPR6KC

not attested not anchored not stored refs pending

Just Math: A new epistemic frame

Eleanor C. Sayre, Leanne Doughty, Marcos D. Caballero, Paul W. Irving, Steven F. Wolf

arxiv:1407.2927 v2 · 2014-07-10 · physics.ed-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{2QHFB4PPMBKLVVLCR4X4KPR6KC}

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	2026-05-18T02:31:03.845785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d40e50f1ef6054bad5628f2fc53e3e508e34992919d80f476806ad96483d3a67

Aliases

arxiv: 1407.2927 · arxiv_version: 1407.2927v2 · doi: 10.48550/arxiv.1407.2927 · pith_short_12: 2QHFB4PPMBKL · pith_short_16: 2QHFB4PPMBKLVVLC · pith_short_8: 2QHFB4PP

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/2QHFB4PPMBKLVVLCR4X4KPR6KC \
  | 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: d40e50f1ef6054bad5628f2fc53e3e508e34992919d80f476806ad96483d3a67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a85202d08e98e9a07d3957bd42cce98a99860a541dc3f9e2c85065ea634c161",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-07-10T19:55:44Z",
    "title_canon_sha256": "f53752dd737fd169241bc65f139cbe713e5fa3f6bd11a7db0e9c41fc772e00ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.2927",
    "kind": "arxiv",
    "version": 2
  }
}