Pith Number

pith:5BV2CYOB

pith:2013:5BV2CYOBLK2TPQJYK65OINSXVY

not attested not anchored not stored refs pending

An Order of Magnitude Calculus

Nic Wilson

arxiv:1302.4989 v1 · 2013-02-20 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5BV2CYOBLK2TPQJYK65OINSXVY}

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	2026-05-18T03:33:00.539993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e86ba161c15ab537c13857bae43657ae2fba7411caf5a5645ccfdaf50b8bd0b6

Aliases

arxiv: 1302.4989 · arxiv_version: 1302.4989v1 · doi: 10.48550/arxiv.1302.4989 · pith_short_12: 5BV2CYOBLK2T · pith_short_16: 5BV2CYOBLK2TPQJY · pith_short_8: 5BV2CYOB

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/5BV2CYOBLK2TPQJYK65OINSXVY \
  | 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: e86ba161c15ab537c13857bae43657ae2fba7411caf5a5645ccfdaf50b8bd0b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7bf151a3cc6ef163824a51e5b8136210fbf7b625424fcdddc12e44b6f0e6834",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-02-20T15:24:11Z",
    "title_canon_sha256": "424a82a54b65ceef76cb7025660ae76c59aeb9b9d1e2d6e3595c3ea0a5070f20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4989",
    "kind": "arxiv",
    "version": 1
  }
}