Pith Number

pith:NE7PZ33S

pith:1999:NE7PZ33SSGFZGZHZME6E3RZVHH

not attested not anchored not stored refs pending

Improved Treatment of Cosmic Microwave Background Fluctuations Induced by a Late-decaying Massive Neutrino

Manoj Kaplinghat, Robert E. Lopez, Robert J. Scherrer, Scott Dodelson

arxiv:astro-ph/9907388 v1 · 1999-07-27 · 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{NE7PZ33SSGFZGZHZME6E3RZVHH}

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	2026-05-18T04:28:57.136582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

693efcef72918b9364f9613c4dc73539f874b5132bcb7c4353310276658b16c6

Aliases

arxiv: astro-ph/9907388 · arxiv_version: astro-ph/9907388v1 · doi: 10.48550/arxiv.astro-ph/9907388 · pith_short_12: NE7PZ33SSGFZ · pith_short_16: NE7PZ33SSGFZGZHZ · pith_short_8: NE7PZ33S

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/NE7PZ33SSGFZGZHZME6E3RZVHH \
  | 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: 693efcef72918b9364f9613c4dc73539f874b5132bcb7c4353310276658b16c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "512d63dfbaf35c38064a075fb37ed5f4f57fb36f908b1631f1ff7fb0aaa688b4",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-27T18:51:00Z",
    "title_canon_sha256": "adbff12b6a1437fc090c9ba4ac3d2ce691dd3fa0eaacbe8ac5f77a0dee14ee7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907388",
    "kind": "arxiv",
    "version": 1
  }
}