Pith Number

pith:UL3GRZGN

pith:1999:UL3GRZGNBKM26VMJSUK4O2QRQM

not attested not anchored not stored refs pending

Wormholes, Classical Limit and Dynamical Vacuum in Quantum Cosmology

Flavio G. Alvarenga (Universidade Federal Fluminense), Nivaldo A. Lemos

arxiv:gr-qc/9906061 v2 · 1999-06-16 · 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{UL3GRZGNBKM26VMJSUK4O2QRQM}

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	2026-05-18T01:39:17.950603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2f668e4cd0a99af55899515c76a118338be3203dbf4ade78d08f4d928adbac3

Aliases

arxiv: gr-qc/9906061 · arxiv_version: gr-qc/9906061v2 · doi: 10.48550/arxiv.gr-qc/9906061 · pith_short_12: UL3GRZGNBKM2 · pith_short_16: UL3GRZGNBKM26VMJ · pith_short_8: UL3GRZGN

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/UL3GRZGNBKM26VMJSUK4O2QRQM \
  | 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: a2f668e4cd0a99af55899515c76a118338be3203dbf4ade78d08f4d928adbac3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03a94731734817e098599adba9529a970b8c65ebc18dd029effcfda882db88e0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1999-06-16T14:49:08Z",
    "title_canon_sha256": "874dfc28e536769f7779d3d83ef170caaa32431b6d2342348d4634c7d2e3537d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9906061",
    "kind": "arxiv",
    "version": 2
  }
}