Pith Number

pith:OCRQPGFJ

pith:1993:OCRQPGFJDWSYE7JJWDXVWJKHMB

not attested not anchored not stored refs pending

Semiclassical Equations for Weakly Inhomogeneous Cosmologies

Antonio Campos, Enric Verdaguer

arxiv:gr-qc/9307027 v1 · 1993-07-21 · 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{OCRQPGFJDWSYE7JJWDXVWJKHMB}

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

Measurements in stochastic gravity and thermal variance

Receipt and verification

First computed	2026-07-04T15:45:56.600393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70a30798a91da5827d29b0ef5b254760451433d78353b3b9872557c56debe02c

Aliases

arxiv: gr-qc/9307027 · arxiv_version: gr-qc/9307027v1 · doi: 10.48550/arxiv.gr-qc/9307027 · pith_short_12: OCRQPGFJDWSY · pith_short_16: OCRQPGFJDWSYE7JJ · pith_short_8: OCRQPGFJ

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/OCRQPGFJDWSYE7JJWDXVWJKHMB \
  | 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: 70a30798a91da5827d29b0ef5b254760451433d78353b3b9872557c56debe02c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9aa51cb6204a9026f530e3dcc7d812a41b0e3324e9afe728e6790161f638416c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1993-07-21T16:40:23Z",
    "title_canon_sha256": "cab35b268313fb21eafb4d2068195edcc8ae4d7220ec28dfd3815022f2c4afa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9307027",
    "kind": "arxiv",
    "version": 1
  }
}