Pith Number

pith:OKPP7LDY

pith:2014:OKPP7LDYRSJY7VFF43GOXVOL4G

not attested not anchored not stored refs pending

Powers of two as sums of two $k-$Fibonacci numbers

Carlos A. G\'omez, Florian Luca, Jhon J. Bravo

arxiv:1409.8514 v1 · 2014-09-30 · 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{OKPP7LDYRSJY7VFF43GOXVOL4G}

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	2026-05-18T02:41:25.179207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

729effac788c938fd4a5e6ccebd5cbe1baceb6e94bc2c86f632dfa58764f0f10

Aliases

arxiv: 1409.8514 · arxiv_version: 1409.8514v1 · doi: 10.48550/arxiv.1409.8514 · pith_short_12: OKPP7LDYRSJY · pith_short_16: OKPP7LDYRSJY7VFF · pith_short_8: OKPP7LDY

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/OKPP7LDYRSJY7VFF43GOXVOL4G \
  | 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: 729effac788c938fd4a5e6ccebd5cbe1baceb6e94bc2c86f632dfa58764f0f10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f8858c73406d6142523745ef22b5ce943b449af85e3ac0ca441e7808b4727e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2014-09-30T12:19:34Z",
    "title_canon_sha256": "6c67257bb06dbea274d31c0fb4df8f638b61542c4fe1d1876ac2afd967efee57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8514",
    "kind": "arxiv",
    "version": 1
  }
}