Pith Number

pith:GVQBYWHO

pith:2018:GVQBYWHOJM245VX3ZPJJXBNL2E

not attested not anchored not stored refs pending

Spacetime Symmetries, Invariant Sets, and Additive Subdynamics of Cellular Automata

Adam Rupe, James P. Crutchfield

arxiv:1812.11597 v1 · 2018-12-30 · cond-mat.stat-mech · cs.FL · nlin.CG · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GVQBYWHOJM245VX3ZPJJXBNL2E}

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	2026-05-17T23:57:11.544534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35601c58ee4b35ced6fbcbd29b85abd11388b9b193e287ec458d259fdff84722

Aliases

arxiv: 1812.11597 · arxiv_version: 1812.11597v1 · doi: 10.48550/arxiv.1812.11597 · pith_short_12: GVQBYWHOJM24 · pith_short_16: GVQBYWHOJM245VX3 · pith_short_8: GVQBYWHO

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/GVQBYWHOJM245VX3ZPJJXBNL2E \
  | 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: 35601c58ee4b35ced6fbcbd29b85abd11388b9b193e287ec458d259fdff84722

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e19484a5de9f5afa185156b4efa795b14cc552cd118afb25795790dbefd06be0",
    "cross_cats_sorted": [
      "cs.FL",
      "nlin.CG",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2018-12-30T20:02:19Z",
    "title_canon_sha256": "c56cbb4951291674f2b73ee765e79ce82f6427da90e0cadf6a762d7ec7beecb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.11597",
    "kind": "arxiv",
    "version": 1
  }
}