Pith Number

pith:F746UNRR

pith:2002:F746UNRR4PJWPIFKYUR7LEI3JN

not attested not anchored not stored refs pending

Foundations of Mathematics

G. J. Chaitin (IBM Research)

arxiv:math/0203002 v2 · 2002-03-01 · 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{F746UNRR4PJWPIFKYUR7LEI3JN}

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	2026-07-04T14:35:56.970415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ff9ea3631e3d367a0aac523f5911b4b538512371a56e5348f6a5d16fa3f4e66

Aliases

arxiv: math/0203002 · arxiv_version: math/0203002v2 · doi: 10.48550/arxiv.math/0203002 · pith_short_12: F746UNRR4PJW · pith_short_16: F746UNRR4PJWPIFK · pith_short_8: F746UNRR

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/F746UNRR4PJWPIFKYUR7LEI3JN \
  | 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: 2ff9ea3631e3d367a0aac523f5911b4b538512371a56e5348f6a5d16fa3f4e66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17ed5d4d260fa834219c6ceeb2c0748573532ca050bbf713bf08f5e581b793e5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.HO",
    "submitted_at": "2002-03-01T00:48:47Z",
    "title_canon_sha256": "ef96431eed2bda87d5630b238ef7f175ad6ac7cdf978e4d65b2c72cd63b25c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0203002",
    "kind": "arxiv",
    "version": 2
  }
}