Pith Number

pith:S4KQGWK5

pith:2013:S4KQGWK5IP5TONFQVX32SFWWNQ

not attested not anchored not stored refs pending

Probabilistic Computability and Choice

Guido Gherardi, Rupert H\"olzl, Vasco Brattka

arxiv:1312.7305 v3 · 2013-12-27 · math.LO · cs.CC · 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{S4KQGWK5IP5TONFQVX32SFWWNQ}

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	2026-05-18T01:15:07.169235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

971503595d43fb3734b0adf7a916d66c15980c4ba4b299b6c8f8f4ebb8b5a465

Aliases

arxiv: 1312.7305 · arxiv_version: 1312.7305v3 · doi: 10.48550/arxiv.1312.7305 · pith_short_12: S4KQGWK5IP5T · pith_short_16: S4KQGWK5IP5TONFQ · pith_short_8: S4KQGWK5

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/S4KQGWK5IP5TONFQVX32SFWWNQ \
  | 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: 971503595d43fb3734b0adf7a916d66c15980c4ba4b299b6c8f8f4ebb8b5a465

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21c861102af75b9478b9767260e015d4ae996887fb44da61c46995d5fc8d7c95",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-12-27T18:07:46Z",
    "title_canon_sha256": "337cef110dab8e51dd2578029bfd1fd5a73402a5d5d1c25ad742bb8fa0ddcf23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.7305",
    "kind": "arxiv",
    "version": 3
  }
}