Pith Number

pith:PAAHTMNW

pith:2008:PAAHTMNWA3WCQMGKGAXNY4C5AE

not attested not anchored not stored refs pending

A Note on Distributional Semi-Riemannian Geometry

Roland Steinbauer

arxiv:0812.0173 v1 · 2008-11-30 · gr-qc · 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{PAAHTMNWA3WCQMGKGAXNY4C5AE}

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	2026-05-18T04:19:52.263125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

780079b1b606ec2830ca302edc705d0130e1442dc54a1d3dec9e1f2e4bf1071b

Aliases

arxiv: 0812.0173 · arxiv_version: 0812.0173v1 · doi: 10.48550/arxiv.0812.0173 · pith_short_12: PAAHTMNWA3WC · pith_short_16: PAAHTMNWA3WCQMGK · pith_short_8: PAAHTMNW

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/PAAHTMNWA3WCQMGKGAXNY4C5AE \
  | 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: 780079b1b606ec2830ca302edc705d0130e1442dc54a1d3dec9e1f2e4bf1071b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "29ed621ade7e8a4a53877fcade28b7bc28a74788d4a7df4ea769f743fde655ec",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-11-30T21:16:17Z",
    "title_canon_sha256": "1905a75333e2c59a97a4e920f80677f3dee0f0022652124fa38e9eb3cbcc757d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0173",
    "kind": "arxiv",
    "version": 1
  }
}