Pith Number

pith:AIOOR7X4

pith:2015:AIOOR7X4XIOAPBPBZ755P7DBRN

not attested not anchored not stored refs pending

A note on the definition of sliding block codes and the Curtis-Hedlund-Lyndon Theorem

Daniel Gon\c{c}alves, Marcelo Sobottka

arxiv:1507.02180 v2 · 2015-07-08 · math.DS · cs.IT · math.HO · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIOOR7X4XIOAPBPBZ755P7DBRN}

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	2026-05-18T00:23:26.919271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

021ce8fefcba1c0785e1cffbd7fc618b7e2454e29c358a7a16016ca493e5fac6

Aliases

arxiv: 1507.02180 · arxiv_version: 1507.02180v2 · doi: 10.48550/arxiv.1507.02180 · pith_short_12: AIOOR7X4XIOA · pith_short_16: AIOOR7X4XIOAPBPB · pith_short_8: AIOOR7X4

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/AIOOR7X4XIOAPBPBZ755P7DBRN \
  | 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: 021ce8fefcba1c0785e1cffbd7fc618b7e2454e29c358a7a16016ca493e5fac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9929617a9cb1d18646928cc0c9a1ba8106b7db1d597277315afdb9a15f833fc8",
    "cross_cats_sorted": [
      "cs.IT",
      "math.HO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-07-08T14:46:31Z",
    "title_canon_sha256": "5cb21a9f95d7eede388ae41069f7a0d75ad640e56c59a729464aba4ec1a89dbc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.02180",
    "kind": "arxiv",
    "version": 2
  }
}