Pith Number

pith:2LH2G75L

pith:2016:2LH2G75LTQGXZOLIDWDWAL64R4

not attested not anchored not stored refs pending

Free fall and cellular automata

Gilles Dowek (Inria, LIF), LSV), Pablo Arrighi (University Aix-Marseille

arxiv:1603.02298 v1 · 2016-03-03 · 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{2LH2G75LTQGXZOLIDWDWAL64R4}

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	2026-05-18T01:19:23.800406Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2cfa37fab9c0d7cb9681d87602fdc8f38ce3ae2dabccb3c2ca5f97834a0a3e1

Aliases

arxiv: 1603.02298 · arxiv_version: 1603.02298v1 · doi: 10.48550/arxiv.1603.02298 · pith_short_12: 2LH2G75LTQGX · pith_short_16: 2LH2G75LTQGXZOLI · pith_short_8: 2LH2G75L

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/2LH2G75LTQGXZOLIDWDWAL64R4 \
  | 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: d2cfa37fab9c0d7cb9681d87602fdc8f38ce3ae2dabccb3c2ca5f97834a0a3e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf269bfe6c259e09d195616e8886aa5edf53a5aef434af80932b917654917682",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CG",
    "submitted_at": "2016-03-03T05:33:18Z",
    "title_canon_sha256": "ef2fba4051c49c99797486e91a17924b9f0cb3b286b7f74d64d848108a22287e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02298",
    "kind": "arxiv",
    "version": 1
  }
}