Pith Number

pith:YOCOVF3G

pith:2010:YOCOVF3G7PKQDQELPEUYWHCO5A

not attested not anchored not stored refs pending

Characteristic varieties of quasi-projective manifolds and orbifolds

Daniel Matei, Enrique Artal Bartolo, Jose Ignacio Cogolludo-Agustin

arxiv:1005.4761 v4 · 2010-05-26 · 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{YOCOVF3G7PKQDQELPEUYWHCO5A}

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	2026-05-18T00:16:57.174880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c384ea9766fbd501c08b79298b1c4ee827f7c2b1a2f4e44eb8b39605828d589b

Aliases

arxiv: 1005.4761 · arxiv_version: 1005.4761v4 · doi: 10.48550/arxiv.1005.4761 · pith_short_12: YOCOVF3G7PKQ · pith_short_16: YOCOVF3G7PKQDQEL · pith_short_8: YOCOVF3G

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/YOCOVF3G7PKQDQELPEUYWHCO5A \
  | 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: c384ea9766fbd501c08b79298b1c4ee827f7c2b1a2f4e44eb8b39605828d589b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4be810f6b5425f2413ae3fe368323777bf6c40123b9a913f29f1b149d7ba8e10",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-05-26T08:56:37Z",
    "title_canon_sha256": "4ad10a3a6ef45d654e0f0af90ae39c75bb4bd0aed0d258c9bcec8589d35f32a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4761",
    "kind": "arxiv",
    "version": 4
  }
}