Pith Number

pith:IGQJKB7A

pith:2014:IGQJKB7A33FZQOM4ITIEZ3DKRE

not attested not anchored not stored refs pending

Absolutely Choiceless Proofs

Asaf Karagila

arxiv:1402.3048 v2 · 2014-02-13 · 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{IGQJKB7A33FZQOM4ITIEZ3DKRE}

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	2026-05-18T02:58:34.135682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41a09507e0decb98399c44d04cec6a8903d9d159d143251a995b3d5cb07a72d8

Aliases

arxiv: 1402.3048 · arxiv_version: 1402.3048v2 · doi: 10.48550/arxiv.1402.3048 · pith_short_12: IGQJKB7A33FZ · pith_short_16: IGQJKB7A33FZQOM4 · pith_short_8: IGQJKB7A

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/IGQJKB7A33FZQOM4ITIEZ3DKRE \
  | 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: 41a09507e0decb98399c44d04cec6a8903d9d159d143251a995b3d5cb07a72d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a7f1021e87f05af22b54f26df1f1bb2dbf2764055c8d848aefa19ef8695ae16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-02-13T07:23:56Z",
    "title_canon_sha256": "59d7a740f738fc7ae571d067d8d5ce1e595099b94494b218c6da58a337dc622f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3048",
    "kind": "arxiv",
    "version": 2
  }
}