Pith Number

pith:PGGHV4F7

pith:2018:PGGHV4F7N5TNNSVF5MWGSTEH4O

not attested not anchored not stored refs pending

The Zeckendorf Game

Alyssa Epstein, Kristen Flint, Paul Baird-Smith, Steven J. Miller

arxiv:1809.04881 v2 · 2018-09-13 · math.NT · 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{PGGHV4F7N5TNNSVF5MWGSTEH4O}

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	2026-05-18T00:05:44.765753Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

798c7af0bf6f66d6caa5eb2c694c87e393919d54f0d8158f4787e2b541465a5c

Aliases

arxiv: 1809.04881 · arxiv_version: 1809.04881v2 · doi: 10.48550/arxiv.1809.04881 · pith_short_12: PGGHV4F7N5TN · pith_short_16: PGGHV4F7N5TNNSVF · pith_short_8: PGGHV4F7

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/PGGHV4F7N5TNNSVF5MWGSTEH4O \
  | 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: 798c7af0bf6f66d6caa5eb2c694c87e393919d54f0d8158f4787e2b541465a5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0acb86091afa3e4b9f061d9a50d6f962b10920f83797627b787647678691142c",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-09-13T10:43:26Z",
    "title_canon_sha256": "6d7fc859c09b182cb6825fa0a53d3a6bcad8b1ffc61b38b41d71c7a167a20c1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.04881",
    "kind": "arxiv",
    "version": 2
  }
}