Pith Number

pith:H5OTZUDX

pith:2001:H5OTZUDXQKYONE232DEBCDFLTU

not attested not anchored not stored refs pending

Kaluza-Klein anisotropy in the CMB

John D Barrow (Cambridge), Roy Maartens (Portsmouth)

arxiv:gr-qc/0108073 v2 · 2001-08-29 · gr-qc · astro-ph · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H5OTZUDXQKYONE232DEBCDFLTU}

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	2026-05-18T00:37:16.750277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f5d3cd07782b0e6935bd0c8110cab9d0b7bb153aa9af6e18754c12f6afda8df

Aliases

arxiv: gr-qc/0108073 · arxiv_version: gr-qc/0108073v2 · doi: 10.48550/arxiv.gr-qc/0108073 · pith_short_12: H5OTZUDXQKYO · pith_short_16: H5OTZUDXQKYONE23 · pith_short_8: H5OTZUDX

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/H5OTZUDXQKYONE232DEBCDFLTU \
  | 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: 3f5d3cd07782b0e6935bd0c8110cab9d0b7bb153aa9af6e18754c12f6afda8df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d404cf750b6d15d8f8fe3956895ae85ef198e6e136971c4b9d19ce4504d40fa",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-08-29T09:01:03Z",
    "title_canon_sha256": "159f43c6685d9714b21aea71309160d9a9e06c825b9b2d85183b8beda603e975"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0108073",
    "kind": "arxiv",
    "version": 2
  }
}