Pith Number

pith:35P5DQTZ

pith:2005:35P5DQTZTHPQR53HOLUEZGHRKD

not attested not anchored not stored refs pending

The geometry of continued fractions and the topology of surface singularities

Patrick Popescu-Pampu

arxiv:math/0506432 v2 · 2005-06-21 · math.GT · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{35P5DQTZTHPQR53HOLUEZGHRKD}

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

A Constructive Approach to Zauner's Conjecture via the Stark Conjectures

Receipt and verification

First computed	2026-07-04T15:49:42.583328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df5fd1c27999df08f76772e84c98f150e175b16cb6f702ae662f9f1047dc8ecc

Aliases

arxiv: math/0506432 · arxiv_version: math/0506432v2 · doi: 10.48550/arxiv.math/0506432 · pith_short_12: 35P5DQTZTHPQ · pith_short_16: 35P5DQTZTHPQR53H · pith_short_8: 35P5DQTZ

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/35P5DQTZTHPQR53HOLUEZGHRKD \
  | 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: df5fd1c27999df08f76772e84c98f150e175b16cb6f702ae662f9f1047dc8ecc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c752edd76f874e16e5e1f02862ddd125f7c0f68e29b56a041de26d159cb3704",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.GT",
    "submitted_at": "2005-06-21T14:25:04Z",
    "title_canon_sha256": "02aa7eb8ff3da2bc40c124f2b10e28fc7a1b50098bd66ad0ce5d6e1c9c83e857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0506432",
    "kind": "arxiv",
    "version": 2
  }
}