Pith Number

pith:IG7IFF63

pith:2019:IG7IFF63OYILIC3AMIIT52GFLU

not attested not anchored not stored refs pending

Efficient methods to determine the reversibility of general 1D linear cellular automata in polynomial complexity

Chao Wang, Tianze Wang, Xinyu Du, Zeyu Gao

arxiv:1907.06012 v1 · 2019-07-13 · cs.CC · cs.FL · nlin.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IG7IFF63OYILIC3AMIIT52GFLU}

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	2026-05-17T23:40:42.672575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41be8297db7610b40b6062113ee8c55d0a5588d0a1dc9e4043a84c23e02ebdb0

Aliases

arxiv: 1907.06012 · arxiv_version: 1907.06012v1 · doi: 10.48550/arxiv.1907.06012 · pith_short_12: IG7IFF63OYIL · pith_short_16: IG7IFF63OYILIC3A · pith_short_8: IG7IFF63

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/IG7IFF63OYILIC3AMIIT52GFLU \
  | 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: 41be8297db7610b40b6062113ee8c55d0a5588d0a1dc9e4043a84c23e02ebdb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7adc8dff0785ed14ad206609e975f1d2ee89492e2feb18b4009a9213f830536",
    "cross_cats_sorted": [
      "cs.FL",
      "nlin.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2019-07-13T05:27:55Z",
    "title_canon_sha256": "067a907af0988fea71a074f30bf8c7238b46dd6687650b76a7a5caed0f55b3bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06012",
    "kind": "arxiv",
    "version": 1
  }
}