Pith Number

pith:IMKFEZXZ

pith:2017:IMKFEZXZVXZWFQVSANQ4LAJY4A

not attested not anchored not stored refs pending

General problem solving with category theory

Francisco J. Arjonilla, Tetsuya Ogata

arxiv:1709.04825 v1 · 2017-09-14 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMKFEZXZVXZWFQVSANQ4LAJY4A}

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	2026-05-18T00:35:09.889275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43145266f9adf362c2b20361c58138e02c67e9584113608ea95733236113ca97

Aliases

arxiv: 1709.04825 · arxiv_version: 1709.04825v1 · doi: 10.48550/arxiv.1709.04825 · pith_short_12: IMKFEZXZVXZW · pith_short_16: IMKFEZXZVXZWFQVS · pith_short_8: IMKFEZXZ

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/IMKFEZXZVXZWFQVSANQ4LAJY4A \
  | 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: 43145266f9adf362c2b20361c58138e02c67e9584113608ea95733236113ca97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77d6d0c2afc9ff4fd3590895b41829e53d7337cff402db0320d40bdb902c3118",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-09-14T14:56:49Z",
    "title_canon_sha256": "a18da957076d5bcb1fb24e92c7fce440a507211070553b594dcacf751d480e8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.04825",
    "kind": "arxiv",
    "version": 1
  }
}