Pith Number

pith:DFO2W5P5

pith:2003:DFO2W5P5LNPNK5V3RVFLDUOLAF

not attested not anchored not stored refs pending

Troubles with quantum anistropic cosmological models: Loss of unitarity

A.B. Batista, F.G. Alvarenga, J.C. Fabris, S.V.B. Gon\c{c}alves

arxiv:gr-qc/0304078 v1 · 2003-04-22 · gr-qc · hep-th · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFO2W5P5LNPNK5V3RVFLDUOLAF}

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	2026-05-18T01:39:23.101875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

195dab75fd5b5ed576bb8d4ab1d1cb015d9b0d5090a297cde83815b25e06a2c5

Aliases

arxiv: gr-qc/0304078 · arxiv_version: gr-qc/0304078v1 · doi: 10.48550/arxiv.gr-qc/0304078 · pith_short_12: DFO2W5P5LNPN · pith_short_16: DFO2W5P5LNPNK5V3 · pith_short_8: DFO2W5P5

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/DFO2W5P5LNPNK5V3RVFLDUOLAF \
  | 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: 195dab75fd5b5ed576bb8d4ab1d1cb015d9b0d5090a297cde83815b25e06a2c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c076f0cca28aa97f911b189489a6355b5ab460c29846f49c4ff676251e10f5f4",
    "cross_cats_sorted": [
      "hep-th",
      "quant-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2003-04-22T13:26:50Z",
    "title_canon_sha256": "9b52108f549b28304622431086a9ac074781006e7fb7e369385b687e95776da9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0304078",
    "kind": "arxiv",
    "version": 1
  }
}