Pith Number

pith:577NQHEW

pith:2013:577NQHEWGPMILQPW4E2E6LJUZW

not attested not anchored not stored refs pending

Nakamaye's theorem on log canonical pairs

Angelo Felice Lopez, Salvatore Cacciola

arxiv:1303.7156 v4 · 2013-03-28 · 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{577NQHEWGPMILQPW4E2E6LJUZW}

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	2026-05-18T02:30:40.975771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

effed81c9633d885c1f6e1344f2d34cd9fdd935400f34b041a90fbd62c16732f

Aliases

arxiv: 1303.7156 · arxiv_version: 1303.7156v4 · doi: 10.48550/arxiv.1303.7156 · pith_short_12: 577NQHEWGPMI · pith_short_16: 577NQHEWGPMILQPW · pith_short_8: 577NQHEW

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/577NQHEWGPMILQPW4E2E6LJUZW \
  | 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: effed81c9633d885c1f6e1344f2d34cd9fdd935400f34b041a90fbd62c16732f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eebb15eb1084c2e5d9628872b2fd21d8b83a5148f3f004d880a0c5ad3c331e89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-03-28T15:55:16Z",
    "title_canon_sha256": "c8215632c9e41e554aedfc4894c6a39b7f70f8eef73ec049111fe7320e3a60b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.7156",
    "kind": "arxiv",
    "version": 4
  }
}