Pith Number

pith:GPHTOJOW

pith:2013:GPHTOJOWEHQOVABSZTQZBXFZPH

not attested not anchored not stored refs pending

Jacob's Ladder and Scientific Ontologies

Julio Michael Stern

arxiv:1308.4015 v7 · 2013-08-15 · physics.hist-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{GPHTOJOWEHQOVABSZTQZBXFZPH}

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	2026-05-18T02:40:18.678198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33cf3725d621e0ea8032cce190dcb979eaf7d8030568456beee451f5308e4dcf

Aliases

arxiv: 1308.4015 · arxiv_version: 1308.4015v7 · doi: 10.48550/arxiv.1308.4015 · pith_short_12: GPHTOJOWEHQO · pith_short_16: GPHTOJOWEHQOVABS · pith_short_8: GPHTOJOW

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/GPHTOJOWEHQOVABSZTQZBXFZPH \
  | 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: 33cf3725d621e0ea8032cce190dcb979eaf7d8030568456beee451f5308e4dcf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4731a522b900b7a32176ad61fc518f6fec713e0bdf25834fbd55e7055b019800",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2013-08-15T08:07:23Z",
    "title_canon_sha256": "f5856aa2da73f1adf4fc9bb3a39cfe17decb46449012fe42d45407bf923dd3d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4015",
    "kind": "arxiv",
    "version": 7
  }
}