Pith Number

pith:ONQSRPIR

pith:2014:ONQSRPIRQEZV2JAUNL34KCCXNU

not attested not anchored not stored refs pending

Compactness of Alexandrov-Nirenberg Surfaces

Genggeng Huang, Jiaxing Hong, Qing Han

arxiv:1402.2388 v1 · 2014-02-11 · math.DG · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ONQSRPIRQEZV2JAUNL34KCCXNU}

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	2026-05-18T02:59:20.028688Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

736128bd1181335d24146af7c508576d2fe082734f91da43ee2cdbe3496011ab

Aliases

arxiv: 1402.2388 · arxiv_version: 1402.2388v1 · doi: 10.48550/arxiv.1402.2388 · pith_short_12: ONQSRPIRQEZV · pith_short_16: ONQSRPIRQEZV2JAU · pith_short_8: ONQSRPIR

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/ONQSRPIRQEZV2JAUNL34KCCXNU \
  | 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: 736128bd1181335d24146af7c508576d2fe082734f91da43ee2cdbe3496011ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4080b0ffca5028078379450e97e9c2e3133b09c413bda8d79e9c7ab79c54de",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-02-11T07:40:36Z",
    "title_canon_sha256": "3b34a1453ee02cd207ce9c7aa6eaa5a41c782296ec757b83abfe043cbee7e096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2388",
    "kind": "arxiv",
    "version": 1
  }
}