Pith Number

pith:O54VIKTW

pith:2012:O54VIKTWNRDQJ4JDTI6XOVCNJX

not attested not anchored not stored refs pending

Decision Taking versus Action Determination

Jan A. Bergstra

arxiv:1205.6177 v1 · 2012-05-28 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O54VIKTWNRDQJ4JDTI6XOVCNJX}

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	2026-05-18T03:54:48.189815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7779542a766c4704f1239a3d77544d4ddd5402b3539da3f4b45668252cfdd51d

Aliases

arxiv: 1205.6177 · arxiv_version: 1205.6177v1 · doi: 10.48550/arxiv.1205.6177 · pith_short_12: O54VIKTWNRDQ · pith_short_16: O54VIKTWNRDQJ4JD · pith_short_8: O54VIKTW

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/O54VIKTWNRDQJ4JDTI6XOVCNJX \
  | 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: 7779542a766c4704f1239a3d77544d4ddd5402b3539da3f4b45668252cfdd51d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aaf95de47fc658c46c4052d8fddeaafd404db34438251625a27ee507b12d18d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2012-05-28T18:27:29Z",
    "title_canon_sha256": "28690ce3fa072843f46b45c02ccd4f3b4443dda8a784799d246e68da2e282481"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6177",
    "kind": "arxiv",
    "version": 1
  }
}