Pith Number

pith:XKZUFVF5

pith:2007:XKZUFVF5YW2IMWCW4L7KDRIDBW

not attested not anchored not stored refs pending

Cosmological perturbations in Palatini modified gravity

James E Lidsey, Kotub Uddin, Reza Tavakol

arxiv:0705.0232 v2 · 2007-05-02 · gr-qc · astro-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{XKZUFVF5YW2IMWCW4L7KDRIDBW}

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	2026-05-18T04:38:49.045900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bab342d4bdc5b4865856e2fea1c5030dbd3b775200722e20956f1d6f45087a96

Aliases

arxiv: 0705.0232 · arxiv_version: 0705.0232v2 · doi: 10.48550/arxiv.0705.0232 · pith_short_12: XKZUFVF5YW2I · pith_short_16: XKZUFVF5YW2IMWCW · pith_short_8: XKZUFVF5

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/XKZUFVF5YW2IMWCW4L7KDRIDBW \
  | 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: bab342d4bdc5b4865856e2fea1c5030dbd3b775200722e20956f1d6f45087a96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c25a57404e9d4b90123b9766ea206ca48a04cbed870d36643d318f4d0ca0988",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-05-02T09:10:33Z",
    "title_canon_sha256": "45583d5ba5031539e641d524c649686225df2f36435dc701a43530be6c9d8bb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0705.0232",
    "kind": "arxiv",
    "version": 2
  }
}