Pith Number

pith:U4VMNLSE

pith:2019:U4VMNLSE67OJ5IMIGOBIQGYRTM

not attested not anchored not stored refs pending

Geometric and algebraic interpretation of primitive Pythagorean triples parameters

Natalia Aleshkevich

arxiv:1907.05540 v1 · 2019-07-12 · 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{U4VMNLSE67OJ5IMIGOBIQGYRTM}

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	2026-05-17T23:40:48.007944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a72ac6ae44f7dc9ea1883382881b119b2fe2d2b7f4b3455a5ef8bd2b9dba253b

Aliases

arxiv: 1907.05540 · arxiv_version: 1907.05540v1 · doi: 10.48550/arxiv.1907.05540 · pith_short_12: U4VMNLSE67OJ · pith_short_16: U4VMNLSE67OJ5IMI · pith_short_8: U4VMNLSE

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/U4VMNLSE67OJ5IMIGOBIQGYRTM \
  | 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: a72ac6ae44f7dc9ea1883382881b119b2fe2d2b7f4b3455a5ef8bd2b9dba253b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bc683529f32510a3d7c9c4cbed6bb7fea599c524401a1f9e6a9801f81237d4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2019-07-12T01:20:57Z",
    "title_canon_sha256": "164f5954665c349d807cc5e6e2db5c06a78a7e6e164b435cd16da99f271cd8bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05540",
    "kind": "arxiv",
    "version": 1
  }
}