Pith Number

pith:XGH5DQGU

pith:1994:XGH5DQGURQ5ZO7XNWLADRLIL4Q

not attested not anchored not stored refs pending

Conserved Quantities in Perturbed Inflationary Universes

Marco Bruni, Peter Dunsby

arxiv:gr-qc/9405008 v1 · 1994-05-04 · 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{XGH5DQGURQ5ZO7XNWLADRLIL4Q}

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	2026-05-18T04:37:57.181534Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b98fd1c0d48c3b977eedb2c038ad0be4013aad96c1815499044418afcf0b4049

Aliases

arxiv: gr-qc/9405008 · arxiv_version: gr-qc/9405008v1 · doi: 10.48550/arxiv.gr-qc/9405008 · pith_short_12: XGH5DQGURQ5Z · pith_short_16: XGH5DQGURQ5ZO7XN · pith_short_8: XGH5DQGU

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/XGH5DQGURQ5ZO7XNWLADRLIL4Q \
  | 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: b98fd1c0d48c3b977eedb2c038ad0be4013aad96c1815499044418afcf0b4049

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc776a9277729b0baa395c99ffceb96b7b6e243ef34dd7417ad74b7c55be269c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1994-05-04T16:11:16Z",
    "title_canon_sha256": "f7c5779d7ddbdabc300d2f650df7fffe8550761320822ead4145de9b49489aa2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9405008",
    "kind": "arxiv",
    "version": 1
  }
}