Pith Number

pith:NIZNG4BM

pith:2012:NIZNG4BMFFWQ3EMGGEJ73JB2SZ

not attested not anchored not stored refs pending

Inductive approach to effective b-semiampleness

Enrica Floris

arxiv:1206.6966 v1 · 2012-06-29 · 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{NIZNG4BMFFWQ3EMGGEJ73JB2SZ}

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	2026-05-18T03:52:13.361838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a32d3702c296d0d91863113fda43a96777aa8192df44fe7ed61003eb0775e00

Aliases

arxiv: 1206.6966 · arxiv_version: 1206.6966v1 · doi: 10.48550/arxiv.1206.6966 · pith_short_12: NIZNG4BMFFWQ · pith_short_16: NIZNG4BMFFWQ3EMG · pith_short_8: NIZNG4BM

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/NIZNG4BMFFWQ3EMGGEJ73JB2SZ \
  | 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: 6a32d3702c296d0d91863113fda43a96777aa8192df44fe7ed61003eb0775e00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5437ecf888961d24cee7bfa96edd2ab966e1e5aaba2588422e7884736f86298",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-06-29T09:01:35Z",
    "title_canon_sha256": "c6f67dca5714112450d12c6ca559e24fb0484866906e55b8d10438bcc4825e2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6966",
    "kind": "arxiv",
    "version": 1
  }
}