Pith Number

pith:Q4BHO44R

pith:2012:Q4BHO44RRZNSEMZRBAX54SW2A4

not attested not anchored not stored refs pending

On the Diophantine equation x^2+2^a.3^b.11^c=y^n

Florian Luca, Gokhan Soydan, Ilker Inam, Ismail Naci Cangul, Musa Demirci

arxiv:1201.0730 v1 · 2012-01-03 · 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{Q4BHO44RRZNSEMZRBAX54SW2A4}

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	2026-05-18T04:05:16.870128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87027773918e5b223331082fde4ada070f7aca9afae0692784101f6b74d31074

Aliases

arxiv: 1201.0730 · arxiv_version: 1201.0730v1 · doi: 10.48550/arxiv.1201.0730 · pith_short_12: Q4BHO44RRZNS · pith_short_16: Q4BHO44RRZNSEMZR · pith_short_8: Q4BHO44R

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/Q4BHO44RRZNSEMZRBAX54SW2A4 \
  | 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: 87027773918e5b223331082fde4ada070f7aca9afae0692784101f6b74d31074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f67108e458b45ddd38558abc39a2694b0bd8f9a35b76aeb059379a4a265e3e0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2012-01-03T19:43:55Z",
    "title_canon_sha256": "068aa990fddbcaebe0f9a0cf21d8decbe28044e64352e97506cd44385fc4fa1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.0730",
    "kind": "arxiv",
    "version": 1
  }
}