Pith Number

pith:LPYSBUV6

pith:2007:LPYSBUV6CDOHZDWB5JPYZKOVUA

not attested not anchored not stored refs pending

Exploring Logic Artificial Chemistries: An Illogical Attempt?

Christof Teuscher

arxiv:cs/0703149 v1 · 2007-03-29 · cs.NE · nlin.AO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LPYSBUV6CDOHZDWB5JPYZKOVUA}

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	2026-05-18T00:58:56.113459Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bf120d2be10dc7c8ec1ea5f8ca9d5a017de2cb23e971b58445ef35dc0094184

Aliases

arxiv: cs/0703149 · arxiv_version: cs/0703149v1 · doi: 10.48550/arxiv.cs/0703149 · pith_short_12: LPYSBUV6CDOH · pith_short_16: LPYSBUV6CDOHZDWB · pith_short_8: LPYSBUV6

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/LPYSBUV6CDOHZDWB5JPYZKOVUA \
  | 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: 5bf120d2be10dc7c8ec1ea5f8ca9d5a017de2cb23e971b58445ef35dc0094184

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cfdcf32e9e14da451d5a0b241ad119ae339b136a285466908c191202aceaa9f",
    "cross_cats_sorted": [
      "nlin.AO"
    ],
    "license": "",
    "primary_cat": "cs.NE",
    "submitted_at": "2007-03-29T20:57:00Z",
    "title_canon_sha256": "74aaac217bde0935ac45b57b57c3aed60d0d4d2f065f7a1510dc455e53a0f4ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0703149",
    "kind": "arxiv",
    "version": 1
  }
}