Pith Number

pith:KGFBTK25

pith:2004:KGFBTK25FX33LIGPBTDQK5ALVE

not attested not anchored not stored refs pending

Pre-inflationary perturbations spectrum

Giovanni Imponente, Giovanni Montani

arxiv:gr-qc/0402071 v1 · 2004-02-16 · gr-qc · astro-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{KGFBTK25FX33LIGPBTDQK5ALVE}

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	2026-05-18T00:59:50.483268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

518a19ab5d2df7b5a0cf0cc705740ba9165110ea4bc01bd9edaee590a905c260

Aliases

arxiv: gr-qc/0402071 · arxiv_version: gr-qc/0402071v1 · doi: 10.48550/arxiv.gr-qc/0402071 · pith_short_12: KGFBTK25FX33 · pith_short_16: KGFBTK25FX33LIGP · pith_short_8: KGFBTK25

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/KGFBTK25FX33LIGPBTDQK5ALVE \
  | 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: 518a19ab5d2df7b5a0cf0cc705740ba9165110ea4bc01bd9edaee590a905c260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a02a2b7b606ff40224a3aed87d0a17bc5bbc68af48a78daf00ff01ba7d839cbe",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2004-02-16T10:34:24Z",
    "title_canon_sha256": "558a4f37bc25809a9f8253a681ce9a5e42ff31ae0bdf1530ae021dd05a2b3604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0402071",
    "kind": "arxiv",
    "version": 1
  }
}