Pith Number

pith:ED4SUS4P

pith:1999:ED4SUS4P3LIDUCY4HOE23QVQBC

not attested not anchored not stored refs pending

Algebraic surfaces holomorphically dominable by C^2

Gregery T. Buzzard, Stephen Lu (Fields Institute, University of Waterloo)

arxiv:math/9903193 v1 · 1999-03-14 · math.CV · 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{ED4SUS4P3LIDUCY4HOE23QVQBC}

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	2026-05-18T01:05:33.218868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20f92a4b8fdad03a0b1c3b89adc2b008aec9a66bacf8a37e114c795a36f38e82

Aliases

arxiv: math/9903193 · arxiv_version: math/9903193v1 · doi: 10.48550/arxiv.math/9903193 · pith_short_12: ED4SUS4P3LID · pith_short_16: ED4SUS4P3LIDUCY4 · pith_short_8: ED4SUS4P

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/ED4SUS4P3LIDUCY4HOE23QVQBC \
  | 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: 20f92a4b8fdad03a0b1c3b89adc2b008aec9a66bacf8a37e114c795a36f38e82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0498308ecb411795d894785df33876385fcd39fd9a4184eaa958f96eb4ec2f9",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.CV",
    "submitted_at": "1999-03-14T00:00:00Z",
    "title_canon_sha256": "4af7600b23795e880aa60f76446172dab3f2d71607bc1b9df0103c34aed32a19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9903193",
    "kind": "arxiv",
    "version": 1
  }
}