Pith Number

pith:7B3OWV7D

pith:2018:7B3OWV7DQK66L5AXXQEOEBH773

not attested not anchored not stored refs pending

Circular repetition thresholds on some small alphabets: Last cases of Gorbunova's conjecture

James D. Currie, Lucas Mol, Narad Rampersad

arxiv:1803.08145 v2 · 2018-03-21 · math.CO · 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{7B3OWV7DQK66L5AXXQEOEBH773}

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	2026-05-18T00:04:07.793632Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f876eb57e382bde5f417bc08e204fffedb9650847a9dffb1d800a3c5d908c48a

Aliases

arxiv: 1803.08145 · arxiv_version: 1803.08145v2 · doi: 10.48550/arxiv.1803.08145 · pith_short_12: 7B3OWV7DQK66 · pith_short_16: 7B3OWV7DQK66L5AX · pith_short_8: 7B3OWV7D

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/7B3OWV7DQK66L5AXXQEOEBH773 \
  | 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: f876eb57e382bde5f417bc08e204fffedb9650847a9dffb1d800a3c5d908c48a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ceb4ca526ed7dce8c6ee3608c0c33a96a50b4edcc651a5722fd91c0ce0cf8a8",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-03-21T21:43:53Z",
    "title_canon_sha256": "1b893cee9c27763bd2cec2a1dec5c4a0653e10f280d1a473fdc83e3c18d7dabf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.08145",
    "kind": "arxiv",
    "version": 2
  }
}