Pith Number

pith:QSSODCAY

pith:2015:QSSODCAYGIZ7NWVZ55IRXGQXTV

not attested not anchored not stored refs pending

A Computable Measure of Algorithmic Probability by Finite Approximations with an Application to Integer Sequences

Fernando Soler-Toscano, Hector Zenil

arxiv:1504.06240 v3 · 2015-04-23 · cs.IT · cs.CC · cs.FL · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QSSODCAYGIZ7NWVZ55IRXGQXTV}

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	2026-05-18T00:38:11.878220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84a4e188183233f6dab9ef511b9a179d64a5a5ffc7f84152a2ead764c2d53d00

Aliases

arxiv: 1504.06240 · arxiv_version: 1504.06240v3 · doi: 10.48550/arxiv.1504.06240 · pith_short_12: QSSODCAYGIZ7 · pith_short_16: QSSODCAYGIZ7NWVZ · pith_short_8: QSSODCAY

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/QSSODCAYGIZ7NWVZ55IRXGQXTV \
  | 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: 84a4e188183233f6dab9ef511b9a179d64a5a5ffc7f84152a2ead764c2d53d00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1983d0443fefff83144a4aaa2708a1c5269949123765576c2d9c71400ef8b105",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.FL",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-23T16:20:58Z",
    "title_canon_sha256": "084bda57fdf050cdf2d3629d96b9a1327c72019a6653784fe595b324ff166d20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.06240",
    "kind": "arxiv",
    "version": 3
  }
}