Pith Number

pith:Y6UVAUHP

pith:2013:Y6UVAUHPS67FNCFOS3JSYNUGTR

not attested not anchored not stored refs pending

On Logical Depth and the Running Time of Shortest Programs

A. Souto (Techical University of Lissabon), L. Antunes (University of Porto), P.M.B. Vitanyi (CWI, the University of Amsterdam)

arxiv:1310.6976 v1 · 2013-10-25 · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y6UVAUHPS67FNCFOS3JSYNUGTR}

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	2026-05-18T03:08:56.200134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7a95050ef97be5688ae96d32c36869c75bfedb6083b46ec7c56200bf44d501a

Aliases

arxiv: 1310.6976 · arxiv_version: 1310.6976v1 · doi: 10.48550/arxiv.1310.6976 · pith_short_12: Y6UVAUHPS67F · pith_short_16: Y6UVAUHPS67FNCFO · pith_short_8: Y6UVAUHP

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/Y6UVAUHPS67FNCFOS3JSYNUGTR \
  | 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: c7a95050ef97be5688ae96d32c36869c75bfedb6083b46ec7c56200bf44d501a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a19ba6d6683e493278500038c59b79799e156f3d751028dc0c3b0cb6c788be7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-10-25T16:50:06Z",
    "title_canon_sha256": "90d7623cf5f9ea893616a5b08c64f3efd0ac1b8336d59e6771ab22ba705d39cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.6976",
    "kind": "arxiv",
    "version": 1
  }
}