Pith Number

pith:5NA4TRAY

pith:2015:5NA4TRAYDOSRZXNJKW4KFSTXHP

not attested not anchored not stored refs pending

Factorizations of the Fibonacci Infinite Word

Gabriele Fici

arxiv:1508.06754 v1 · 2015-08-27 · cs.FL · cs.DM · 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{5NA4TRAYDOSRZXNJKW4KFSTXHP}

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	2026-05-18T01:34:41.146606Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb41c9c4181ba51cdda955b8a2ca773bffcbcb7280c8ff6ff9091bafc88718e2

Aliases

arxiv: 1508.06754 · arxiv_version: 1508.06754v1 · doi: 10.48550/arxiv.1508.06754 · pith_short_12: 5NA4TRAYDOSR · pith_short_16: 5NA4TRAYDOSRZXNJ · pith_short_8: 5NA4TRAY

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/5NA4TRAYDOSRZXNJKW4KFSTXHP \
  | 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: eb41c9c4181ba51cdda955b8a2ca773bffcbcb7280c8ff6ff9091bafc88718e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef18e8d7f10f1d101667989b1847c08fd2a4951e69f07a9cf6c69190268f26fd",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-08-27T08:45:29Z",
    "title_canon_sha256": "42df42385a156df50589cae22379080bf0d8a92be363395ead25bb0bd01088d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.06754",
    "kind": "arxiv",
    "version": 1
  }
}