Pith Number

pith:VDJQ7IFA

pith:2014:VDJQ7IFALKJWLTPHDTHPGNORSP

not attested not anchored not stored refs pending

On Bott-Chern cohomology of compact complex surfaces

Adriano Tomassini, Daniele Angella, Georges Dloussky

arxiv:1402.2408 v2 · 2014-02-11 · math.DG · math.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VDJQ7IFALKJWLTPHDTHPGNORSP}

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	2026-05-18T01:21:38.155590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8d30fa0a05a9365cde71ccef335d193e970c67fd5b4fbd2e0d174d869303b0b

Aliases

arxiv: 1402.2408 · arxiv_version: 1402.2408v2 · doi: 10.48550/arxiv.1402.2408 · pith_short_12: VDJQ7IFALKJW · pith_short_16: VDJQ7IFALKJWLTPH · pith_short_8: VDJQ7IFA

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/VDJQ7IFALKJWLTPHDTHPGNORSP \
  | 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: a8d30fa0a05a9365cde71ccef335d193e970c67fd5b4fbd2e0d174d869303b0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f929772f5127ed745a8ce184f7bfb5d12801d4e5ea778fd688d406e490bac40",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-02-11T09:30:10Z",
    "title_canon_sha256": "9423bbdddbc715469a733aa48f51b83513c2821ae440d0477319fada9b6d93fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2408",
    "kind": "arxiv",
    "version": 2
  }
}