Pith Number

pith:4EUVV6W5

pith:2013:4EUVV6W5VP2MGCT3VN4XFJEDZ6

not attested not anchored not stored refs pending

Bounded Recursive Self-Improvement

A. Chella, B. R. Steunebrink, C. Hernandez, D. Ognibene, E. Nivel, G. K. Jonsson, G. Pezzulo, H. Dindo, H. P. Helgason, J. Schmidhuber, K. R. Th\'orisson, M. Rodriguez, R. Sanz

arxiv:1312.6764 v1 · 2013-12-24 · 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{4EUVV6W5VP2MGCT3VN4XFJEDZ6}

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	2026-05-18T03:03:56.110978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1295afaddabf4c30a7bab7972a483cf8bbf8d14386925429e1747950c6d79ae

Aliases

arxiv: 1312.6764 · arxiv_version: 1312.6764v1 · doi: 10.48550/arxiv.1312.6764 · pith_short_12: 4EUVV6W5VP2M · pith_short_16: 4EUVV6W5VP2MGCT3 · pith_short_8: 4EUVV6W5

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/4EUVV6W5VP2MGCT3VN4XFJEDZ6 \
  | 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: e1295afaddabf4c30a7bab7972a483cf8bbf8d14386925429e1747950c6d79ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b43eed6093028253d1505f78b7af6974904c359eb8b4597f80911eab554803f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-12-24T06:17:55Z",
    "title_canon_sha256": "ede36b0d88b298688400c317d229172d587450cf6478c87a9bb0e2a0259930d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.6764",
    "kind": "arxiv",
    "version": 1
  }
}