Pith Number

pith:62WEV4YJ

pith:2003:62WEV4YJSVAZG4IIODQAVSVK24

not attested not anchored not stored refs pending

Components of maximal dimension in the Noether-Lefschetz locus for Beilinson-Hodge cycles on open surfaces

M. Asakura, S. Saito

arxiv:math/0304089 v1 · 2003-04-07 · 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{62WEV4YJSVAZG4IIODQAVSVK24}

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	2026-07-04T14:37:12.056449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6ac4af309954193710870e00acaaad71645cbc2b814d45e6c77886281380271

Aliases

arxiv: math/0304089 · arxiv_version: math/0304089v1 · doi: 10.48550/arxiv.math/0304089 · pith_short_12: 62WEV4YJSVAZ · pith_short_16: 62WEV4YJSVAZG4II · pith_short_8: 62WEV4YJ

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/62WEV4YJSVAZG4IIODQAVSVK24 \
  | 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: f6ac4af309954193710870e00acaaad71645cbc2b814d45e6c77886281380271

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16713a0c8685449beb427aa8c40a3a06b1e8cb2d7c3a3f012b2572d2c2fe579f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AG",
    "submitted_at": "2003-04-07T06:36:43Z",
    "title_canon_sha256": "98b74fb7b9eda97403cbf0f12831ba689caaa6cabd5090cdb4a5c0fe98f5e735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0304089",
    "kind": "arxiv",
    "version": 1
  }
}