Pith Number

pith:2GW36SOL

pith:2019:2GW36SOLDOXASTN3IH4EB5ZMXK

not attested not anchored not stored refs pending

Polygons of Petrovic and Fine, algebraic ODEs, and contemporary mathematics

Irina Goryuchkina, Vladimir Dragovic

arxiv:1908.03644 v2 · 2019-08-09 · math.CA · math.HO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2GW36SOLDOXASTN3IH4EB5ZMXK}

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	2026-07-05T00:26:09.682073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1adbf49cb1bae094dbb41f840f72cbaa187107e1d0c9134b380e9f5fe04db6e

Aliases

arxiv: 1908.03644 · arxiv_version: 1908.03644v2 · doi: 10.48550/arxiv.1908.03644 · pith_short_12: 2GW36SOLDOXA · pith_short_16: 2GW36SOLDOXASTN3 · pith_short_8: 2GW36SOL

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/2GW36SOLDOXASTN3IH4EB5ZMXK \
  | 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: d1adbf49cb1bae094dbb41f840f72cbaa187107e1d0c9134b380e9f5fe04db6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6ca315ad322fed9ee794c8aac41a251078e0d5074e4ff5da28c2309e2367de",
    "cross_cats_sorted": [
      "math.HO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2019-08-09T22:03:58Z",
    "title_canon_sha256": "10eb5e0c5a3e1148c121ded0dc3207bda125bb6eb6a5417f787ac4a18011ee32"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03644",
    "kind": "arxiv",
    "version": 2
  }
}