Pith Number

pith:MHFDXOB2

pith:2013:MHFDXOB2M4JE7O7V6MQM3QIOHA

not attested not anchored not stored refs pending

Hypersurfaces with constant anisotropic mean curvatures

Changwei Xiong, Hui Ma

arxiv:1302.2992 v1 · 2013-02-13 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHFDXOB2M4JE7O7V6MQM3QIOHA}

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	2026-05-18T03:33:49.117467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61ca3bb83a67124fbbf5f320cdc10e3837ad2ad62ecce3cc1757228b52fe2ca8

Aliases

arxiv: 1302.2992 · arxiv_version: 1302.2992v1 · doi: 10.48550/arxiv.1302.2992 · pith_short_12: MHFDXOB2M4JE · pith_short_16: MHFDXOB2M4JE7O7V · pith_short_8: MHFDXOB2

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/MHFDXOB2M4JE7O7V6MQM3QIOHA \
  | 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: 61ca3bb83a67124fbbf5f320cdc10e3837ad2ad62ecce3cc1757228b52fe2ca8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92cec66b229ae72753484e322f4eb2c59a1911110850bcfa78ed694bc5542360",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-02-13T06:33:50Z",
    "title_canon_sha256": "cd945cd00f0a367df7b058afd826979368dee5372b3f147f2010081bf1a1a21a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.2992",
    "kind": "arxiv",
    "version": 1
  }
}