Pith Number

pith:ND4V25AR

pith:1998:ND4V25AR5AECGUHF3AVX3LJDNY

not attested not anchored not stored refs pending

Emergence of classicality for primordial fluctuations: Concepts and analogies

C. Kiefer, D. Polarski

arxiv:gr-qc/9805014 v2 · 1998-05-06 · gr-qc · astro-ph · quant-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{ND4V25AR5AECGUHF3AVX3LJDNY}

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.

Cited by

1 paper in Pith

On the Quantum-to-Classical Transition of Primordial Perturbations

Receipt and verification

First computed	2026-05-18T01:01:16.736206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68f95d7411e8082350e5d82b7dad236e0dfdc88805a0cc30ea75248931c0639f

Aliases

arxiv: gr-qc/9805014 · arxiv_version: gr-qc/9805014v2 · doi: 10.48550/arxiv.gr-qc/9805014 · pith_short_12: ND4V25AR5AEC · pith_short_16: ND4V25AR5AECGUHF · pith_short_8: ND4V25AR

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/ND4V25AR5AECGUHF3AVX3LJDNY \
  | 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: 68f95d7411e8082350e5d82b7dad236e0dfdc88805a0cc30ea75248931c0639f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebbf2f450fdddc3493c5076ca6c17dba3aeff740f2083b0f14f5d5f773b2ea63",
    "cross_cats_sorted": [
      "astro-ph",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-05-06T07:39:12Z",
    "title_canon_sha256": "d6c9fd8e7517df688c4c98b32df370531e098677758774019cfad8786bdbf77c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9805014",
    "kind": "arxiv",
    "version": 2
  }
}