Pith Number

pith:MKDJ3LEO

pith:2025:MKDJ3LEO5IPGKLR5KIHRR62VY7

not attested not anchored not stored refs pending

Achieving Operational Universality through a Turing Complete Chemputer

Daniel Gahler, Dean Thomas, Leroy Cronin, Slawomir Lach

arxiv:2502.02872 v1 · 2025-02-05 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MKDJ3LEO5IPGKLR5KIHRR62VY7}

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	2026-07-05T10:09:56.178491Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62869dac8eea1e652e3d520f18fb55c7f4eaf036dae7b06a725f6a4cb3803b86

Aliases

arxiv: 2502.02872 · arxiv_version: 2502.02872v1 · doi: 10.48550/arxiv.2502.02872 · pith_short_12: MKDJ3LEO5IPG · pith_short_16: MKDJ3LEO5IPGKLR5 · pith_short_8: MKDJ3LEO

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/MKDJ3LEO5IPGKLR5KIHRR62VY7 \
  | 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: 62869dac8eea1e652e3d520f18fb55c7f4eaf036dae7b06a725f6a4cb3803b86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "618d4d4db7fa01dcc3edd51f1681af76f168755174e22ce53ba7cf78f3ab3e1c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-02-05T04:06:32Z",
    "title_canon_sha256": "3c77dd8ac68f45c5ff3a7167afa9cf7d2b558d3f4f30a2eab0353db7f6131641"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02872",
    "kind": "arxiv",
    "version": 1
  }
}