Pith Number

pith:ZJPK57QP

pith:2017:ZJPK57QPARAMEPFUHZDK4E2PNY

not attested not anchored not stored refs pending

Positive-rank elliptic curves arising pythagorean triples

Farzali Izadi, Mehdi Baghalaghdam

arxiv:1703.09985 v1 · 2017-03-29 · 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{ZJPK57QPARAMEPFUHZDK4E2PNY}

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	2026-05-18T00:47:38.878935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca5eaefe0f0440c23cb43e46ae134f6e3e3be28af5a9d1ef07630b1c923b15d0

Aliases

arxiv: 1703.09985 · arxiv_version: 1703.09985v1 · doi: 10.48550/arxiv.1703.09985 · pith_short_12: ZJPK57QPARAM · pith_short_16: ZJPK57QPARAMEPFU · pith_short_8: ZJPK57QP

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/ZJPK57QPARAMEPFUHZDK4E2PNY \
  | 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: ca5eaefe0f0440c23cb43e46ae134f6e3e3be28af5a9d1ef07630b1c923b15d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d2f33732de2636acef4b4b4a6004565a4c90ac06af8ef4c2c902b513bcf258c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-03-29T11:53:23Z",
    "title_canon_sha256": "6296046adabe78a33bf45c467afea9659178a89bbc078da40c1892ee68ee6b25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09985",
    "kind": "arxiv",
    "version": 1
  }
}