Pith Number

pith:NXZL4D3N

pith:2013:NXZL4D3N5D3TJXWOOTIOB3CXW3

not attested not anchored not stored refs pending

A Supplement to the Classification of Flat Homogeneous Spaces of Signature (m,2)

Wolfgang Globke

arxiv:1312.2210 v4 · 2013-12-08 · 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{NXZL4D3N5D3TJXWOOTIOB3CXW3}

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	2026-05-18T00:15:38.352370Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6df2be0f6de8f734dece74d0e0ec57b6f0ab56767e66f44e294cf497c0c5ff58

Aliases

arxiv: 1312.2210 · arxiv_version: 1312.2210v4 · doi: 10.48550/arxiv.1312.2210 · pith_short_12: NXZL4D3N5D3T · pith_short_16: NXZL4D3N5D3TJXWO · pith_short_8: NXZL4D3N

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/NXZL4D3N5D3TJXWOOTIOB3CXW3 \
  | 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: 6df2be0f6de8f734dece74d0e0ec57b6f0ab56767e66f44e294cf497c0c5ff58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34a87feec98ad5315938c826bd70c2b1268ad58121a28ab84193365a1807f604",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-12-08T13:38:15Z",
    "title_canon_sha256": "f95c776aa4ce72855e7aab4492be8d34ff41e450c85fa41add6a5a78ff49bc90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2210",
    "kind": "arxiv",
    "version": 4
  }
}