Pith Number

pith:BISYBLXK

pith:2013:BISYBLXKEF24BUH236FQDEFAAF

not attested not anchored not stored refs pending

Surfaces with one constant principal curvature in three-dimensional space forms

Henri Anciaux

arxiv:1307.6735 v4 · 2013-07-25 · 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{BISYBLXKEF24BUH236FQDEFAAF}

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	2026-05-18T02:58:32.496866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a2580aeea2175c0d0fadf8b0190a0016b799d8901b85a7a9b18e8610785aea2

Aliases

arxiv: 1307.6735 · arxiv_version: 1307.6735v4 · doi: 10.48550/arxiv.1307.6735 · pith_short_12: BISYBLXKEF24 · pith_short_16: BISYBLXKEF24BUH2 · pith_short_8: BISYBLXK

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/BISYBLXKEF24BUH236FQDEFAAF \
  | 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: 0a2580aeea2175c0d0fadf8b0190a0016b799d8901b85a7a9b18e8610785aea2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44c9d7fe9209f0b32e340fb0f1f45f0caf3844dd4981b983b0c8968b54b2c235",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-07-25T13:36:26Z",
    "title_canon_sha256": "a6be668d1acd54b4b526dff8e65f60504c19a07f21fcfbb87f086d4d3ff98669"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.6735",
    "kind": "arxiv",
    "version": 4
  }
}