Pith Number

pith:TNCL6TLB

pith:2024:TNCL6TLBI5PHXVGNCXMXI4JRZ6

not attested not anchored not stored refs pending

Two Graphs: Resolving the Periodic Reversibility of One-dimensional Finite Cellular Automata

Chao Wang, Chen Wang, Defu Lin, Junchi Ma, Weilin Chen

arxiv:2402.05404 v2 · 2024-02-08 · nlin.CG · 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{TNCL6TLBI5PHXVGNCXMXI4JRZ6}

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	2026-07-05T09:29:26.113777Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b44bf4d61475e7bd4cd15d9747131cfacc9faeb59a5f9537568e79a4452ba38

Aliases

arxiv: 2402.05404 · arxiv_version: 2402.05404v2 · doi: 10.48550/arxiv.2402.05404 · pith_short_12: TNCL6TLBI5PH · pith_short_16: TNCL6TLBI5PHXVGN · pith_short_8: TNCL6TLB

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/TNCL6TLBI5PHXVGNCXMXI4JRZ6 \
  | 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: 9b44bf4d61475e7bd4cd15d9747131cfacc9faeb59a5f9537568e79a4452ba38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "189aeceba9ae1d673e673dd5f3d75955f07098e62761ba533b2f134ac41bfc52",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2024-02-08T04:46:56Z",
    "title_canon_sha256": "031c5d78bff608377beb42925f86b801c6b98cb7f81e953cccb20b646ad23fdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.05404",
    "kind": "arxiv",
    "version": 2
  }
}