Pith Number

pith:DLMTR7X4

pith:2013:DLMTR7X4FTII2BXMBMJ6YSF5XW

not attested not anchored not stored refs pending

Hard Asymptotic Sets for One-Dimensional Cellular Automata

Ville Salo

arxiv:1307.4910 v1 · 2013-07-18 · cs.CC · cs.FL · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DLMTR7X4FTII2BXMBMJ6YSF5XW}

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	2026-05-18T03:18:07.246084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad938fefc2cd08d06ec0b13ec48bdbda68040d4ed2897e1ccfaf954cf0e5ef9

Aliases

arxiv: 1307.4910 · arxiv_version: 1307.4910v1 · doi: 10.48550/arxiv.1307.4910 · pith_short_12: DLMTR7X4FTII · pith_short_16: DLMTR7X4FTII2BXM · pith_short_8: DLMTR7X4

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/DLMTR7X4FTII2BXMBMJ6YSF5XW \
  | 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: 1ad938fefc2cd08d06ec0b13ec48bdbda68040d4ed2897e1ccfaf954cf0e5ef9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e232b03f19b2653a805315988a6d916037266c0b8da9401c0775c96665e592c",
    "cross_cats_sorted": [
      "cs.FL",
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2013-07-18T11:36:52Z",
    "title_canon_sha256": "d3769b065cbcc2c85ba34f9513faaeaf33276c44caa7a2d34c0ea886a6e269d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4910",
    "kind": "arxiv",
    "version": 1
  }
}