Pith Number

pith:QRE3FJ3W

pith:2013:QRE3FJ3WWOGUPSI2EARDJ6DQJE

not attested not anchored not stored refs pending

Selection rules for the Wheeler-DeWitt equation in quantum cosmology

A.O. Barvinsky, A.Yu. Kamenshchik

arxiv:1312.3147 v2 · 2013-12-11 · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QRE3FJ3WWOGUPSI2EARDJ6DQJE}

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	2026-05-18T02:52:41.702563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8449b2a776b38d47c91a202234f870492dae5470da395c89ac39d97cadf5c554

Aliases

arxiv: 1312.3147 · arxiv_version: 1312.3147v2 · doi: 10.48550/arxiv.1312.3147 · pith_short_12: QRE3FJ3WWOGU · pith_short_16: QRE3FJ3WWOGUPSI2 · pith_short_8: QRE3FJ3W

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/QRE3FJ3WWOGUPSI2EARDJ6DQJE \
  | 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: 8449b2a776b38d47c91a202234f870492dae5470da395c89ac39d97cadf5c554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7cede4343998df9c53a98c61192120faad1fbd778a4b3ea703748e9e21031e8",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-12-11T12:52:46Z",
    "title_canon_sha256": "01af333a7b47daa94803a79592006f5c4c73e50562b245442dc0d55aee0e1359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.3147",
    "kind": "arxiv",
    "version": 2
  }
}