Pith Number

pith:D27YXPSW

pith:2018:D27YXPSWOAO5RZZJYU465ESEZK

not attested not anchored not stored refs pending

Orbifolds from a metric viewpoint

Christian Lange

arxiv:1801.03472 v4 · 2018-01-10 · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D27YXPSWOAO5RZZJYU465ESEZK}

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.

Cited by

1 paper in Pith

Laplacian algebras, manifold submetries and the Inverse Invariant Theory Problem

Receipt and verification

First computed	2026-07-05T00:47:14.910639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ebf8bbe56701dd8e729c539ee9244ca8d5020b6bc23cf8280c49a1dfe141404

Aliases

arxiv: 1801.03472 · arxiv_version: 1801.03472v4 · doi: 10.48550/arxiv.1801.03472 · pith_short_12: D27YXPSWOAO5 · pith_short_16: D27YXPSWOAO5RZZJ · pith_short_8: D27YXPSW

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/D27YXPSWOAO5RZZJYU465ESEZK \
  | 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: 1ebf8bbe56701dd8e729c539ee9244ca8d5020b6bc23cf8280c49a1dfe141404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aac22da5cf1a9813c94749a54236339010f00a3aafb5237ec8b6973c91d0a6b1",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-01-10T17:38:17Z",
    "title_canon_sha256": "16e2923df8f32e859d0ef221b728096b11b5d421b01c511677fbc8bbc7dbbd78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03472",
    "kind": "arxiv",
    "version": 4
  }
}