Pith Number

pith:FIPY6ZJQ

pith:2010:FIPY6ZJQGSFQSPWP6Y7JQKAUCJ

not attested not anchored not stored refs pending

Non-minimally coupled f(R) Cosmology

Anjan A Sen, Shruti Thakur, T.R. Seshadri

arxiv:1007.5250 v1 · 2010-07-29 · astro-ph.CO · gr-qc · hep-ph · 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{FIPY6ZJQGSFQSPWP6Y7JQKAUCJ}

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	2026-05-18T04:30:12.411993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a1f8f6530348b093ecff63e982814126c673eebdf28ff894aeac1c2bdf43048

Aliases

arxiv: 1007.5250 · arxiv_version: 1007.5250v1 · doi: 10.48550/arxiv.1007.5250 · pith_short_12: FIPY6ZJQGSFQ · pith_short_16: FIPY6ZJQGSFQSPWP · pith_short_8: FIPY6ZJQ

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/FIPY6ZJQGSFQSPWP6Y7JQKAUCJ \
  | 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: 2a1f8f6530348b093ecff63e982814126c673eebdf28ff894aeac1c2bdf43048

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb99149356e43e82f395517068007d30a78a18dccc3b842f878465c0dd2f07e",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-29T15:48:59Z",
    "title_canon_sha256": "b824918fe38b89c221630350ed3fac85ab6df6f45b3f950025322caf30a8fe4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.5250",
    "kind": "arxiv",
    "version": 1
  }
}