Pith Number

pith:UOTZI76N

pith:2013:UOTZI76N6VD22G2NU5VAXK2NU3

not attested not anchored not stored refs pending

Mori dream surfaces associated with curves with one place at infinity

Pinaki Mondal

arxiv:1312.2168 v1 · 2013-12-08 · 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{UOTZI76N6VD22G2NU5VAXK2NU3}

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	2026-05-18T03:05:11.068255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3a7947fcdf547ad1b4da76a0bab4da6c0a689a7c3ef5baa2efad1feb269484a

Aliases

arxiv: 1312.2168 · arxiv_version: 1312.2168v1 · doi: 10.48550/arxiv.1312.2168 · pith_short_12: UOTZI76N6VD2 · pith_short_16: UOTZI76N6VD22G2N · pith_short_8: UOTZI76N

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/UOTZI76N6VD22G2NU5VAXK2NU3 \
  | 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: a3a7947fcdf547ad1b4da76a0bab4da6c0a689a7c3ef5baa2efad1feb269484a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c691c9a76a8cb3c5bf24fbd8cf2c24f740ff7f2b16b30a2471ab9e71a17317b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-12-08T03:13:17Z",
    "title_canon_sha256": "7efb3ae851e969fd6e6bc54ec20ca53b0f715faac4e1e1e6cc4218230635fb45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2168",
    "kind": "arxiv",
    "version": 1
  }
}