Pith Number

pith:ASGKLAHA

pith:2012:ASGKLAHAGJHKAIIOQQ7235RDWN

not attested not anchored not stored refs pending

Kleisli Database Instances

David I. Spivak

arxiv:1209.1011 v1 · 2012-09-05 · cs.DB · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ASGKLAHAGJHKAIIOQQ7235RDWN}

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	2026-05-18T03:46:15.684557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

048ca580e0324ea0210e843fadf623b3660286cf298303e5d3fae6f5a87c996e

Aliases

arxiv: 1209.1011 · arxiv_version: 1209.1011v1 · doi: 10.48550/arxiv.1209.1011 · pith_short_12: ASGKLAHAGJHK · pith_short_16: ASGKLAHAGJHKAIIO · pith_short_8: ASGKLAHA

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/ASGKLAHAGJHKAIIOQQ7235RDWN \
  | 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: 048ca580e0324ea0210e843fadf623b3660286cf298303e5d3fae6f5a87c996e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43e85c069e78bcd1890d3c982cfd6cb397282cd3f168d269cbaa758b1315d39b",
    "cross_cats_sorted": [
      "math.CT"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2012-09-05T15:18:35Z",
    "title_canon_sha256": "22d0bbb65c22db239923328fef6bc5ef29f75330b9a09632ec7e0fdd3b398889"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1011",
    "kind": "arxiv",
    "version": 1
  }
}