Pith Number

pith:CNQIWT7M

pith:2010:CNQIWT7MY2ZFFEYB35RYRVL5EC

not attested not anchored not stored refs pending

Infinite Words with Finite Defect

Edita Pelantov\'a, Lubom\'ira Balkov\'a, \v{S}t\v{e}p\'an Starosta

arxiv:1009.5105 v2 · 2010-09-26 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNQIWT7MY2ZFFEYB35RYRVL5EC}

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	2026-05-18T03:34:46.561080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13608b4fecc6b2529301df6388d57d208c7b52807e6421818a23f2942c6f65f9

Aliases

arxiv: 1009.5105 · arxiv_version: 1009.5105v2 · doi: 10.48550/arxiv.1009.5105 · pith_short_12: CNQIWT7MY2ZF · pith_short_16: CNQIWT7MY2ZFFEYB · pith_short_8: CNQIWT7M

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/CNQIWT7MY2ZFFEYB35RYRVL5EC \
  | 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: 13608b4fecc6b2529301df6388d57d208c7b52807e6421818a23f2942c6f65f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2789f8927ceae0f7f3af465e239dc3ba6c3b9b7cccd349ceedf19aecbe083a8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-09-26T16:19:08Z",
    "title_canon_sha256": "2a81742df99262046478fe849d8b2429459c6c6c136b168937944d9a2634f172"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5105",
    "kind": "arxiv",
    "version": 2
  }
}