Pith Number

pith:AC6MBAMS

pith:2016:AC6MBAMSWQC6VYEKCCACIVRP6C

not attested not anchored not stored refs pending

On log del Pezzo surfaces in large characteristic

Hiromu Tanaka, Jakub Witaszek, Paolo Cascini

arxiv:1601.03583 v2 · 2016-01-14 · 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{AC6MBAMSWQC6VYEKCCACIVRP6C}

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	2026-05-17T23:53:13.430378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00bcc08192b405eae08a108024562ff0b29ed906f7dbedbb7c87d88a777df95c

Aliases

arxiv: 1601.03583 · arxiv_version: 1601.03583v2 · doi: 10.48550/arxiv.1601.03583 · pith_short_12: AC6MBAMSWQC6 · pith_short_16: AC6MBAMSWQC6VYEK · pith_short_8: AC6MBAMS

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/AC6MBAMSWQC6VYEKCCACIVRP6C \
  | 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: 00bcc08192b405eae08a108024562ff0b29ed906f7dbedbb7c87d88a777df95c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57ac932091607d4c2262efab322bfeefdc9cb7a424354af45bc0db826c08be46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-01-14T12:54:08Z",
    "title_canon_sha256": "37e78eb5843ff0fad1ef13630e57a769ec986bf5f24dbae70d2011d8295af013"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03583",
    "kind": "arxiv",
    "version": 2
  }
}