Pith Number

pith:AYMR6KIH

pith:2007:AYMR6KIH72WJPE7L46BYDWWMZE

not attested not anchored not stored refs pending

Stability of Cosmological Solution in f(R) Models of Gravity

Ignacy Sawicki, U. Chicago), Wayne Hu (KICP

arxiv:astro-ph/0702278 v2 · 2007-02-10 · astro-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYMR6KIH72WJPE7L46BYDWWMZE}

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

Modified Gravity Theories on a Nutshell: Inflation, Bounce and Late-time Evolution

Receipt and verification

First computed	2026-07-04T15:25:02.042402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06191f2907feac9793ebe78381daccc926d6ea7445d51fb3385a5f4189d92488

Aliases

arxiv: astro-ph/0702278 · arxiv_version: astro-ph/0702278v2 · doi: 10.48550/arxiv.astro-ph/0702278 · pith_short_12: AYMR6KIH72WJ · pith_short_16: AYMR6KIH72WJPE7L · pith_short_8: AYMR6KIH

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/AYMR6KIH72WJPE7L46BYDWWMZE \
  | 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: 06191f2907feac9793ebe78381daccc926d6ea7445d51fb3385a5f4189d92488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b717bb94fd376cf8791f46554e0318de001d858b42a1e8a6b1e59c4d0fc0b939",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-10T01:08:21Z",
    "title_canon_sha256": "b69d346a5d4b47be7d7bdb7e40e0b035c553e4d8487c97225fbee58480cb6667"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702278",
    "kind": "arxiv",
    "version": 2
  }
}