Pith Number

pith:HK2HUDB7

pith:2012:HK2HUDB765Z56IKOV3SVM7AP4O

not attested not anchored not stored refs pending

Surfaces with p_g = 0: Constructions and Moduli spaces, Burniat surfaces and deformations of automorphisms

Fabrizio Catanese (Universitaet Bayreuth, Germany)

arxiv:1205.7043 v1 · 2012-05-31 · 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{HK2HUDB765Z56IKOV3SVM7AP4O}

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	2026-05-18T03:54:28.039728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ab47a0c3ff773df214eaee5567c0fe3be836667b7cb4a22d2810dfaa503f872

Aliases

arxiv: 1205.7043 · arxiv_version: 1205.7043v1 · doi: 10.48550/arxiv.1205.7043 · pith_short_12: HK2HUDB765Z5 · pith_short_16: HK2HUDB765Z56IKO · pith_short_8: HK2HUDB7

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/HK2HUDB765Z56IKOV3SVM7AP4O \
  | 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: 3ab47a0c3ff773df214eaee5567c0fe3be836667b7cb4a22d2810dfaa503f872

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ea77539ad4bda793cffbce43eeebfda9ef5c71ad46df0e7583149b0052f520e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-05-31T17:01:23Z",
    "title_canon_sha256": "0d017096d5134206b7395e22b5845b5d9707db97aabcf9f35f07621fa3881507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.7043",
    "kind": "arxiv",
    "version": 1
  }
}