Pith Number

pith:7GRA34GA

pith:2018:7GRA34GAWX7MNVC45ZOKLPMLKW

not attested not anchored not stored refs pending

Farey boat I. Continued fractions and triangulations, modular group and polygon dissections

Sophie Morier-Genoud, Valentin Ovsienko

arxiv:1811.01229 v2 · 2018-11-03 · math.CO · 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{7GRA34GAWX7MNVC45ZOKLPMLKW}

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.

Cited by

1 paper in Pith

Plane geometry of $q$-rationals and Springborn Operations

Receipt and verification

First computed	2026-05-17T23:55:33.943948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9a20df0c0b5fec6d45cee5ca5bd8b558f0231c8b6e80a0bd28a77fb59fd5ff1

Aliases

arxiv: 1811.01229 · arxiv_version: 1811.01229v2 · doi: 10.48550/arxiv.1811.01229 · pith_short_12: 7GRA34GAWX7M · pith_short_16: 7GRA34GAWX7MNVC4 · pith_short_8: 7GRA34GA

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/7GRA34GAWX7MNVC45ZOKLPMLKW \
  | 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: f9a20df0c0b5fec6d45cee5ca5bd8b558f0231c8b6e80a0bd28a77fb59fd5ff1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bcb08c94b3e9e6eb9a4ce801b1371ec7c7ec254a4cd53470077213381e0fd8f",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-03T14:40:19Z",
    "title_canon_sha256": "85d7c6f6a6fa82d3181098636831266e1b7ed99078cf996663a162c3d61c7e68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01229",
    "kind": "arxiv",
    "version": 2
  }
}