Pith Number

pith:OBWQQ6GW

pith:1997:OBWQQ6GWLY7XGEOV7752AODE26

not attested not anchored not stored refs pending

Best Unbiased Estimates for the Microwave Background Anisotropies

J\'er\^ome Martin, L. P. Grishchuk

arxiv:gr-qc/9702018 v2 · 1997-02-10 · gr-qc · astro-ph · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OBWQQ6GWLY7XGEOV7752AODE26}

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	2026-05-18T01:08:07.905563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

706d0878d65e3f7311d5fffba03864d785f8e3bcf424bf3a5a77e170ef8eb31d

Aliases

arxiv: gr-qc/9702018 · arxiv_version: gr-qc/9702018v2 · doi: 10.48550/arxiv.gr-qc/9702018 · pith_short_12: OBWQQ6GWLY7X · pith_short_16: OBWQQ6GWLY7XGEOV · pith_short_8: OBWQQ6GW

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/OBWQQ6GWLY7XGEOV7752AODE26 \
  | 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: 706d0878d65e3f7311d5fffba03864d785f8e3bcf424bf3a5a77e170ef8eb31d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "179b0c4d5ee5ddce7a88aa1d8b016747c78d71a43ddab94203b4448cce0d2503",
    "cross_cats_sorted": [
      "astro-ph",
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1997-02-10T17:15:41Z",
    "title_canon_sha256": "273aafa17f8cb44759ad0f185deff7a62379eca0e485314417bebab18ec1a17c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9702018",
    "kind": "arxiv",
    "version": 2
  }
}