Pith Number

pith:5I5SXEMS

pith:2013:5I5SXEMS6LDNAXM72MHRZADLZM

not attested not anchored not stored refs pending

Augmented base loci and restricted volumes on normal varieties

Angelo Felice Lopez, Salvatore Cacciola, S\'ebastien Boucksom

arxiv:1305.4284 v2 · 2013-05-18 · 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{5I5SXEMS6LDNAXM72MHRZADLZM}

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	2026-05-18T02:30:40.962122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea3b2b9192f2c6d05d9fd30f1c806bcb143338e0cc379ccdc40f3d1be10dfca5

Aliases

arxiv: 1305.4284 · arxiv_version: 1305.4284v2 · doi: 10.48550/arxiv.1305.4284 · pith_short_12: 5I5SXEMS6LDN · pith_short_16: 5I5SXEMS6LDNAXM7 · pith_short_8: 5I5SXEMS

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/5I5SXEMS6LDNAXM72MHRZADLZM \
  | 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: ea3b2b9192f2c6d05d9fd30f1c806bcb143338e0cc379ccdc40f3d1be10dfca5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "586a5e01dcb42d7f01ffa43b1fa4fe7dd3b48250652f182ecf212caccfa6aeac",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-05-18T18:14:02Z",
    "title_canon_sha256": "8b543b022a3d43b18b28c29ec053eb0a3ce0c46ba478138a2aa414cbe36d56bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4284",
    "kind": "arxiv",
    "version": 2
  }
}