Pith Number

pith:BZNL2OOB

pith:2011:BZNL2OOBSPGWEWVPF7ADSP6R7B

not attested not anchored not stored refs pending

Hypersurfaces in Mori dream spaces

Antonio Laface, Michela Artebani

arxiv:1109.0566 v1 · 2011-09-02 · 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{BZNL2OOBSPGWEWVPF7ADSP6R7B}

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	2026-05-18T04:14:07.313921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e5abd39c193cd625aaf2fc0393fd1f859afdac6057a1e8781ff7423fd291221

Aliases

arxiv: 1109.0566 · arxiv_version: 1109.0566v1 · doi: 10.48550/arxiv.1109.0566 · pith_short_12: BZNL2OOBSPGW · pith_short_16: BZNL2OOBSPGWEWVP · pith_short_8: BZNL2OOB

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/BZNL2OOBSPGWEWVPF7ADSP6R7B \
  | 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: 0e5abd39c193cd625aaf2fc0393fd1f859afdac6057a1e8781ff7423fd291221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a7499f355f0e97b5bc6ee239f0a918f3609f919c7400cfff780138a34a88b01",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-09-02T22:07:58Z",
    "title_canon_sha256": "4c24cb12ddb9060d88b3ba99da1c1fc47bad5c750aa4e7dc1aca4d54f91f8168"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0566",
    "kind": "arxiv",
    "version": 1
  }
}