Pith Number

pith:MKO5OQDD

pith:2019:MKO5OQDDH2IXUO24HSRTYJ2SDA

not attested not anchored not stored refs pending

On the Quantum-to-Classical Transition of Primordial Perturbations

Wouter Ryssens

arxiv:1907.00258 v1 · 2019-06-29 · gr-qc · 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{MKO5OQDDH2IXUO24HSRTYJ2SDA}

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	2026-05-17T23:41:52.340274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

629dd740633e917a3b5c3ca33c2752181dedebf53637cb17a98f98ae15b7e8cb

Aliases

arxiv: 1907.00258 · arxiv_version: 1907.00258v1 · doi: 10.48550/arxiv.1907.00258 · pith_short_12: MKO5OQDDH2IX · pith_short_16: MKO5OQDDH2IXUO24 · pith_short_8: MKO5OQDD

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/MKO5OQDDH2IXUO24HSRTYJ2SDA \
  | 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: 629dd740633e917a3b5c3ca33c2752181dedebf53637cb17a98f98ae15b7e8cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4789a8a4757940c5d2cf0910d78fb8c0e68d7cfca0cd36bd6a82c7526e23dfe3",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-06-29T18:58:47Z",
    "title_canon_sha256": "70822d10f0ed5e0c125d0d9ce546fe4002948749caf956ed8154ce0edb145bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00258",
    "kind": "arxiv",
    "version": 1
  }
}