Pith Number

pith:YXV32CM5

pith:2019:YXV32CM5YPOUZFRQK6ZKXZ24ZV

not attested not anchored not stored refs pending

No-boundary prescriptions in Lorentzian quantum cosmology

Alice Di Tucci, Jean-Luc Lehners, Laura Sberna

arxiv:1911.06701 v3 · 2019-11-15 · hep-th · 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{YXV32CM5YPOUZFRQK6ZKXZ24ZV}

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

Complex degenerate metrics in general relativity: a covariant extension of the Moore-Penrose algorithm

Receipt and verification

First computed	2026-07-05T04:12:27.145062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5ebbd099dc3dd4c963057b2abe75ccd6069fb9dda3f72c077caf14c545a4023

Aliases

arxiv: 1911.06701 · arxiv_version: 1911.06701v3 · doi: 10.48550/arxiv.1911.06701 · pith_short_12: YXV32CM5YPOU · pith_short_16: YXV32CM5YPOUZFRQ · pith_short_8: YXV32CM5

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/YXV32CM5YPOUZFRQK6ZKXZ24ZV \
  | 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: c5ebbd099dc3dd4c963057b2abe75ccd6069fb9dda3f72c077caf14c545a4023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "859081004640840aeec0b75f88c802f1986077cc60eaff14a8fb0485db98d9d2",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2019-11-15T15:29:47Z",
    "title_canon_sha256": "efb7ca9f7c43e24ad019b0eb1a8a1f237548d0564d19a079aadf2e3b55499130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.06701",
    "kind": "arxiv",
    "version": 3
  }
}