Pith Number

pith:DNTMODNR

pith:2014:DNTMODNRL3QT3L2HDBCUGWCRWB

not attested not anchored not stored refs pending

Cox rings of rational surfaces and flag varieties of ADE-types

Jiajin Zhang, Naichung Conan Leung

arxiv:1409.2325 v1 · 2014-09-08 · 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{DNTMODNRL3QT3L2HDBCUGWCRWB}

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	2026-05-18T02:43:17.372952Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b66c70db15ee13daf471845435851b066707348085a5d6e377b5462b8ab2984

Aliases

arxiv: 1409.2325 · arxiv_version: 1409.2325v1 · doi: 10.48550/arxiv.1409.2325 · pith_short_12: DNTMODNRL3QT · pith_short_16: DNTMODNRL3QT3L2H · pith_short_8: DNTMODNR

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/DNTMODNRL3QT3L2HDBCUGWCRWB \
  | 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: 1b66c70db15ee13daf471845435851b066707348085a5d6e377b5462b8ab2984

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6628f1388f930057d7e1642310b46e1084915542038fd6b54e4c6232ca626b27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-09-08T12:42:51Z",
    "title_canon_sha256": "0b9e234ee98f99de16cac62de15db53be5a67ab8b02e11fb00ce85c8958d274d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.2325",
    "kind": "arxiv",
    "version": 1
  }
}