Pith Number

pith:EA4HCYSC

pith:2012:EA4HCYSCIL37WR66IZHJTXWAAO

not attested not anchored not stored refs pending

Divisibility properties of the Fibonacci entry point

Jeremy Rouse, Paul Cubre

arxiv:1212.6221 v1 · 2012-12-26 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EA4HCYSCIL37WR66IZHJTXWAAO}

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	2026-05-18T00:25:35.283321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

203871624242f7fb47de464e99dec003ae0340f9eb1530622ca3a0cad1881c63

Aliases

arxiv: 1212.6221 · arxiv_version: 1212.6221v1 · doi: 10.48550/arxiv.1212.6221 · pith_short_12: EA4HCYSCIL37 · pith_short_16: EA4HCYSCIL37WR66 · pith_short_8: EA4HCYSC

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/EA4HCYSCIL37WR66IZHJTXWAAO \
  | 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: 203871624242f7fb47de464e99dec003ae0340f9eb1530622ca3a0cad1881c63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "399c82ae2041e45f598b2762e87b4b7dbcc07afbe8cda8ecc66c7cf92e14b7c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-12-26T17:57:19Z",
    "title_canon_sha256": "ae3fb3f9b2106afd45245eb00010798fe63fed87ac1d11fdc0bf6d5017578d72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.6221",
    "kind": "arxiv",
    "version": 1
  }
}