Pith Number

pith:BJEVLKH3

pith:2014:BJEVLKH33WPJIOAWVOOFN32KES

not attested not anchored not stored refs pending

The cone of curves and the Cox ring of rational surfaces given by divisorial valuations

Carlos Galindo, Francisco Monserrat

arxiv:1402.4257 v3 · 2014-02-18 · 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{BJEVLKH33WPJIOAWVOOFN32KES}

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	2026-05-18T01:23:32.339746Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a4955a8fbdd9e943816ab9c56ef4a24b56cdde3bc9a5058329d730f70587a23

Aliases

arxiv: 1402.4257 · arxiv_version: 1402.4257v3 · doi: 10.48550/arxiv.1402.4257 · pith_short_12: BJEVLKH33WPJ · pith_short_16: BJEVLKH33WPJIOAW · pith_short_8: BJEVLKH3

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/BJEVLKH33WPJIOAWVOOFN32KES \
  | 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: 0a4955a8fbdd9e943816ab9c56ef4a24b56cdde3bc9a5058329d730f70587a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4df006273d142cbab8c48a1f852d7713b28fc6dd5cb07c3759ea5946c60cef55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-02-18T09:32:16Z",
    "title_canon_sha256": "e8d2cc9ebc99930c4857a5b0eef09d96f54972131f6bc73e44355c8efa3e3513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4257",
    "kind": "arxiv",
    "version": 3
  }
}