Pith Number

pith:UVX2VZXV

pith:2007:UVX2VZXV4SHOOJYUK6FOBCBMJG

not attested not anchored not stored refs pending

The evolution of cosmological gravitational waves in f(R) gravity

Kishore N. Ananda, P. K. S. Dunsby, S. Carloni

arxiv:0708.2258 v2 · 2007-08-16 · 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{UVX2VZXV4SHOOJYUK6FOBCBMJG}

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

Close Hyperbolic Encounters In f(R) Gravity

Receipt and verification

First computed	2026-07-04T15:24:35.070843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a56faae6f5e48ee72714578ae0882c499f86504baf9cf73240c6bc803d1520bb

Aliases

arxiv: 0708.2258 · arxiv_version: 0708.2258v2 · doi: 10.48550/arxiv.0708.2258 · pith_short_12: UVX2VZXV4SHO · pith_short_16: UVX2VZXV4SHOOJYU · pith_short_8: UVX2VZXV

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/UVX2VZXV4SHOOJYUK6FOBCBMJG \
  | 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: a56faae6f5e48ee72714578ae0882c499f86504baf9cf73240c6bc803d1520bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c33e72cc87cbc1ab19d864ee718814c8d3df2d793c9eb67dfa3a09f6736fcc2",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-08-16T18:03:15Z",
    "title_canon_sha256": "d2720f7079e881058acfd2145b6fa6e4fb98a1a33efc7adb9c8c2ce5ac17dd44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.2258",
    "kind": "arxiv",
    "version": 2
  }
}