Pith Number

pith:TVHH7YJA

pith:2008:TVHH7YJA4HCTLL47GO5Z4JCHQT

not attested not anchored not stored refs pending

Extension theorems for differential forms and Bogomolov-Sommese vanishing on log canonical varieties

Daniel Greb, S\'andor J. Kov\'acs, Stefan Kebekus

arxiv:0808.3647 v3 · 2008-08-27 · 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{TVHH7YJA4HCTLL47GO5Z4JCHQT}

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	2026-05-17T23:53:39.495903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d4e7fe120e1c535af9f33bb9e244784e8b0316a115379e92deaed937d9ae809

Aliases

arxiv: 0808.3647 · arxiv_version: 0808.3647v3 · doi: 10.48550/arxiv.0808.3647 · pith_short_12: TVHH7YJA4HCT · pith_short_16: TVHH7YJA4HCTLL47 · pith_short_8: TVHH7YJA

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/TVHH7YJA4HCTLL47GO5Z4JCHQT \
  | 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: 9d4e7fe120e1c535af9f33bb9e244784e8b0316a115379e92deaed937d9ae809

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6ff26d9289327f25a519217d8d038f6047b7420ca3adf6c57f2c5baeea0e40d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2008-08-27T08:10:03Z",
    "title_canon_sha256": "51817e2e4b1d2ce90d3f69635a178b4472bc4609274becd35d9ce8e9d3acd65d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3647",
    "kind": "arxiv",
    "version": 3
  }
}