Pith Number

pith:PO7GWLQC

pith:2013:PO7GWLQCZ4ZDAKD4I63RYQ4TV7

not attested not anchored not stored refs pending

Finite-type-Dyck shift spaces

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

arxiv:1311.4223 v1 · 2013-11-17 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PO7GWLQCZ4ZDAKD4I63RYQ4TV7}

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	2026-05-18T03:06:53.289267Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bbe6b2e02cf3230287c47b71c4393afe2eec368a9eb219c7598780c6af90772

Aliases

arxiv: 1311.4223 · arxiv_version: 1311.4223v1 · doi: 10.48550/arxiv.1311.4223 · pith_short_12: PO7GWLQCZ4ZD · pith_short_16: PO7GWLQCZ4ZDAKD4 · pith_short_8: PO7GWLQC

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/PO7GWLQCZ4ZDAKD4I63RYQ4TV7 \
  | 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: 7bbe6b2e02cf3230287c47b71c4393afe2eec368a9eb219c7598780c6af90772

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "295ce6dbf870a5189496667e372b0db2c040b348e044c56f366955fa348b02fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-11-17T22:03:20Z",
    "title_canon_sha256": "8595a06dd6951d8ffb5607852b5feb43df1509503855357b23d6d230dee40965"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4223",
    "kind": "arxiv",
    "version": 1
  }
}