Pith Number

pith:YVI3KWHH

pith:2013:YVI3KWHHYJ3JAF4FUALEVI4J5A

not attested not anchored not stored refs pending

Sofic-Dyck shifts

C\v{a}t\v{a}lin Dima, Marie-Pierre B\'eal, Michel Blockelet

arxiv:1305.7413 v7 · 2013-05-31 · cs.FL · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVI3KWHHYJ3JAF4FUALEVI4J5A}

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	2026-05-18T01:32:50.973373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c551b558e7c276901785a0164aa389e805d61c868811e0b927c1b26f2d2e170e

Aliases

arxiv: 1305.7413 · arxiv_version: 1305.7413v7 · doi: 10.48550/arxiv.1305.7413 · pith_short_12: YVI3KWHHYJ3J · pith_short_16: YVI3KWHHYJ3JAF4F · pith_short_8: YVI3KWHH

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/YVI3KWHHYJ3JAF4FUALEVI4J5A \
  | 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: c551b558e7c276901785a0164aa389e805d61c868811e0b927c1b26f2d2e170e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69567714e3bd98a7c834bd6b0085ccc74219d2a5e13d76dd45647eb3cbc0201b",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-05-31T14:30:53Z",
    "title_canon_sha256": "806d61d2bc696dd4400d017fc999e635d9f86918fd0d60b264b137b5a3871b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7413",
    "kind": "arxiv",
    "version": 7
  }
}