Pith Number

pith:6CS7K2M6

pith:2019:6CS7K2M64EWKLL2WSCQNLBLEPY

not attested not anchored not stored refs pending

Putting Natural Time into Science

Roger White, Wolfgang Banzhaf

arxiv:1901.07357 v1 · 2019-01-11 · cs.OH · cs.LO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6CS7K2M64EWKLL2WSCQNLBLEPY}

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	2026-05-17T23:55:47.199279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0a5f5699ee12ca5af5690a0d585647e31758c167eaf3c6fb981dee9b3cee3c6

Aliases

arxiv: 1901.07357 · arxiv_version: 1901.07357v1 · doi: 10.48550/arxiv.1901.07357 · pith_short_12: 6CS7K2M64EWK · pith_short_16: 6CS7K2M64EWKLL2W · pith_short_8: 6CS7K2M6

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/6CS7K2M64EWKLL2WSCQNLBLEPY \
  | 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: f0a5f5699ee12ca5af5690a0d585647e31758c167eaf3c6fb981dee9b3cee3c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4510a1a26ca8f9783e0b337987c9af146b60039459f37d8238b9afff89bf1927",
    "cross_cats_sorted": [
      "cs.LO",
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2019-01-11T16:52:36Z",
    "title_canon_sha256": "fe134ab62540db45a30d77b66902df49f95015a40b6991058e8ea07bafe4a599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07357",
    "kind": "arxiv",
    "version": 1
  }
}