Pith Number

pith:TI4BIK4W

pith:1999:TI4BIK4WTRCMUTIEVRW2AOP3PV

not attested not anchored not stored refs pending

Selection Rules in Minisuperspace Quantum Cosmology

G. Lambiase, S. Capozziello

arxiv:gr-qc/9912083 v1 · 1999-12-20 · 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{TI4BIK4WTRCMUTIEVRW2AOP3PV}

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	2026-05-18T01:39:17.678200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a38142b969c44ca4d04ac6da039fb7d73fc6e14155e3837cbd8bbf70dc77e24

Aliases

arxiv: gr-qc/9912083 · arxiv_version: gr-qc/9912083v1 · doi: 10.48550/arxiv.gr-qc/9912083 · pith_short_12: TI4BIK4WTRCM · pith_short_16: TI4BIK4WTRCMUTIE · pith_short_8: TI4BIK4W

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/TI4BIK4WTRCMUTIEVRW2AOP3PV \
  | 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: 9a38142b969c44ca4d04ac6da039fb7d73fc6e14155e3837cbd8bbf70dc77e24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de92352446a918b05a17b0671729c0309094de3b1474aca53814c85b568e08df",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-12-20T18:22:40Z",
    "title_canon_sha256": "5e9d872d1005ef549fc2b1d87d9adacbe341cfd7e4cde2d8851a5e7b64437bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9912083",
    "kind": "arxiv",
    "version": 1
  }
}