Pith Number

pith:G5MACG4A

pith:2007:G5MACG4AVX7BDOGDKPXLYMB7M7

not attested not anchored not stored refs pending

Physarum machine: Implementation of Kolmogorov-Uspensky machine in biological substrat

Andrew Adamatzky

arxiv:cs/0703128 v2 · 2007-03-26 · cs.AR · 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{G5MACG4AVX7BDOGDKPXLYMB7M7}

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	2026-05-18T04:35:03.702111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3758011b80adfe11b8c353eebc303f67c2b32362c36144ea7956bcb2e0e90743

Aliases

arxiv: cs/0703128 · arxiv_version: cs/0703128v2 · doi: 10.48550/arxiv.cs/0703128 · pith_short_12: G5MACG4AVX7B · pith_short_16: G5MACG4AVX7BDOGD · pith_short_8: G5MACG4A

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/G5MACG4AVX7BDOGDKPXLYMB7M7 \
  | 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: 3758011b80adfe11b8c353eebc303f67c2b32362c36144ea7956bcb2e0e90743

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6764cbad570bc668a5ed9838cb88d272446b6b468084e572ab8d86fae6eb563b",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "",
    "primary_cat": "cs.AR",
    "submitted_at": "2007-03-26T01:51:25Z",
    "title_canon_sha256": "5132fe53e269798ab03fb0642ee78a9b146a3c06a6d86ae1532204af82c2b2a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0703128",
    "kind": "arxiv",
    "version": 2
  }
}