Pith Number

pith:FILVZVM6

pith:2009:FILVZVM6KM6J5KFZ6MX4ANDVP4

not attested not anchored not stored refs pending

Shortcomings in the Understanding of Why Cosmological Perturbations Look Classical

Daniel Sudarsky

arxiv:0906.0315 v3 · 2009-06-01 · 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{FILVZVM6KM6J5KFZ6MX4ANDVP4}

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	2026-05-18T04:22:48.982997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a175cd59e533c9ea8b9f32fc034757f018c5d47612a0301bd49116a938ca08d

Aliases

arxiv: 0906.0315 · arxiv_version: 0906.0315v3 · doi: 10.48550/arxiv.0906.0315 · pith_short_12: FILVZVM6KM6J · pith_short_16: FILVZVM6KM6J5KFZ · pith_short_8: FILVZVM6

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/FILVZVM6KM6J5KFZ6MX4ANDVP4 \
  | 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: 2a175cd59e533c9ea8b9f32fc034757f018c5d47612a0301bd49116a938ca08d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c21b74aeb1a40e4a726701e917aea5ae7f12223212860d7a804ca72d00f1f2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-06-01T16:34:01Z",
    "title_canon_sha256": "670fbbce5948936cac48f94e86deab2177973603409a27e26209ab27a7c14a12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0315",
    "kind": "arxiv",
    "version": 3
  }
}