Pith Number

pith:TFLCBPG2

pith:1994:TFLCBPG2Y2PCDMTKGSD2HL32LC

not attested not anchored not stored refs pending

Decoherence, Correlation, and Unstable Quantum States in Semiclassical Cosmology

F. Lombardo (Univ. of Buenos Aires), M. Castagnino

arxiv:gr-qc/9404028 v1 · 1994-04-14 · 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{TFLCBPG2Y2PCDMTKGSD2HL32LC}

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	2026-05-18T04:37:57.213271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995620bcdac69e21b26a3487a3af7a58960d7cd72359f183a21a96ad022ced24

Aliases

arxiv: gr-qc/9404028 · arxiv_version: gr-qc/9404028v1 · doi: 10.48550/arxiv.gr-qc/9404028 · pith_short_12: TFLCBPG2Y2PC · pith_short_16: TFLCBPG2Y2PCDMTK · pith_short_8: TFLCBPG2

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/TFLCBPG2Y2PCDMTKGSD2HL32LC \
  | 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: 995620bcdac69e21b26a3487a3af7a58960d7cd72359f183a21a96ad022ced24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04e86cd65d4580e5559d15ee7c66940b30eb4ced5325006e1da1eb8f7635e2a3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-04-14T12:41:29Z",
    "title_canon_sha256": "ea40f7e19c64562429280a2e0d03f075cd1ae2d09dfb84e208a3ce7ebc66a32b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9404028",
    "kind": "arxiv",
    "version": 1
  }
}