Pith Number

pith:4SMQLWCT

pith:2013:4SMQLWCTUGECZ3AYDLMEZZEGVX

not attested not anchored not stored refs pending

Post-human mathematics

David Ruelle

arxiv:1308.4678 v1 · 2013-08-21 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SMQLWCTUGECZ3AYDLMEZZEGVX}

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	2026-05-18T03:15:20.233577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e49905d853a1882cec181ad84ce486adf3344baeccfccead059cbf5f1ffd09db

Aliases

arxiv: 1308.4678 · arxiv_version: 1308.4678v1 · doi: 10.48550/arxiv.1308.4678 · pith_short_12: 4SMQLWCTUGEC · pith_short_16: 4SMQLWCTUGECZ3AY · pith_short_8: 4SMQLWCT

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/4SMQLWCTUGECZ3AYDLMEZZEGVX \
  | 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: e49905d853a1882cec181ad84ce486adf3344baeccfccead059cbf5f1ffd09db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3690d323351abd214bc86630b1b5d8a99f0720dd63dfe096b1c22a61f3ea4b23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2013-08-21T13:22:03Z",
    "title_canon_sha256": "da80cb81134070f7f42202f7a778da032380cf5c9a5411f1a938355f4f76940c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4678",
    "kind": "arxiv",
    "version": 1
  }
}