Pith Number

pith:ZUT6BSSP

pith:2012:ZUT6BSSPHCX3UTTFFQPGHNZE2K

not attested not anchored not stored refs pending

Automatic Ordinals

IMJ), Olivier Finkel (ELM, Stevo Todorcevic (ELM

arxiv:1205.1775 v1 · 2012-05-08 · math.LO · cs.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{ZUT6BSSPHCX3UTTFFQPGHNZE2K}

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	2026-05-18T03:28:42.883523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd27e0ca4f38afba4e652c1e63b724d28630b54bc07497873f2e3688232fdedd

Aliases

arxiv: 1205.1775 · arxiv_version: 1205.1775v1 · doi: 10.48550/arxiv.1205.1775 · pith_short_12: ZUT6BSSPHCX3 · pith_short_16: ZUT6BSSPHCX3UTTF · pith_short_8: ZUT6BSSP

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/ZUT6BSSPHCX3UTTFFQPGHNZE2K \
  | 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: cd27e0ca4f38afba4e652c1e63b724d28630b54bc07497873f2e3688232fdedd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05cc4a3b8ad157dd25a8624ad06d67ebc9f1fec224bd22e89a4c2ee273a28c6b",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-05-08T19:05:08Z",
    "title_canon_sha256": "08cdf82c5076830fce189c5be7db7332ebf110191b3cce5d117a150056e0187d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.1775",
    "kind": "arxiv",
    "version": 1
  }
}