Pith Number

pith:YA3P2U7R

pith:2006:YA3P2U7RFAANQTKVZHC7G4QN6Z

not attested not anchored not stored refs pending

Counting the hyperplane sections with fixed invariants of a plane quintic

Charles Cadman, Radu Laza

arxiv:math/0608463 v2 · 2006-08-18 · 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{YA3P2U7RFAANQTKVZHC7G4QN6Z}

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	2026-05-18T04:12:10.833349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c036fd53f12800d84d55c9c5f3720df66633076345b8e41b3cc23ff446440e12

Aliases

arxiv: math/0608463 · arxiv_version: math/0608463v2 · doi: 10.48550/arxiv.math/0608463 · pith_short_12: YA3P2U7RFAAN · pith_short_16: YA3P2U7RFAANQTKV · pith_short_8: YA3P2U7R

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/YA3P2U7RFAANQTKVZHC7G4QN6Z \
  | 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: c036fd53f12800d84d55c9c5f3720df66633076345b8e41b3cc23ff446440e12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dee3d0d2bf0e698050673b5c3e90258bf01a14ee6de119bd3adb4dbacaeb74ac",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2006-08-18T18:48:53Z",
    "title_canon_sha256": "e104c2b0ccba687ff6a5f3963d1db38ed67cae3837659649f9e3057d041250bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0608463",
    "kind": "arxiv",
    "version": 2
  }
}