Pith Number

pith:CQNKTRMH

pith:1998:CQNKTRMHXQGJ7M3IB3P4VIWPCX

not attested not anchored not stored refs pending

Gravitational Wave Background from a Cosmological Population of Core-Collapse Supernovae

Raffaella Schneider, Sabino Matarrese, Valeria Ferrari

arxiv:astro-ph/9804259 v2 · 1998-04-24 · astro-ph · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQNKTRMHXQGJ7M3IB3P4VIWPCX}

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	2026-07-04T16:06:20.097223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

141aa9c587bc0c9fb3680edfcaa2cf15cfae5f18665a74f5cabc5337e0d43d58

Aliases

arxiv: astro-ph/9804259 · arxiv_version: astro-ph/9804259v2 · doi: 10.48550/arxiv.astro-ph/9804259 · pith_short_12: CQNKTRMHXQGJ · pith_short_16: CQNKTRMHXQGJ7M3I · pith_short_8: CQNKTRMH

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/CQNKTRMHXQGJ7M3IB3P4VIWPCX \
  | 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: 141aa9c587bc0c9fb3680edfcaa2cf15cfae5f18665a74f5cabc5337e0d43d58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a1eeb979f3413382e55c111ddf01ee8b30b6c738e234759a0481380129938f9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-04-24T14:38:39Z",
    "title_canon_sha256": "797043e82173426b72e64fe71daabb38fc1a6dbc16d3b7b5778d4d5f5975891f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9804259",
    "kind": "arxiv",
    "version": 2
  }
}