Pith Number

pith:QLYIQN6M

pith:2017:QLYIQN6M3ZT7JDFVJXKAATW4MJ

not attested not anchored not stored refs pending

Fibonacci Numbers which are Products of two Pell Numbers

Florian Luca, Mahadi Ddamulira, Mihaja Rakotomalala

arxiv:1707.07227 v1 · 2017-07-22 · 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{QLYIQN6M3ZT7JDFVJXKAATW4MJ}

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	2026-05-18T00:25:07.612307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f08837ccde67f48cb54dd4004edc6264ab1041aad6a320fd9ede7a6d7c42c4

Aliases

arxiv: 1707.07227 · arxiv_version: 1707.07227v1 · doi: 10.48550/arxiv.1707.07227 · pith_short_12: QLYIQN6M3ZT7 · pith_short_16: QLYIQN6M3ZT7JDFV · pith_short_8: QLYIQN6M

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/QLYIQN6M3ZT7JDFVJXKAATW4MJ \
  | 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: 82f08837ccde67f48cb54dd4004edc6264ab1041aad6a320fd9ede7a6d7c42c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85fc355af29e7b05cef07655c9397112d28d589aba8de44620d187e10df5f171",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-07-22T22:42:19Z",
    "title_canon_sha256": "ed9bca1e5d3f408264232ca20dc1b3f455342e6693d1b57d7c1a212acac0cd58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.07227",
    "kind": "arxiv",
    "version": 1
  }
}