Pith Number

pith:HGDJDRPH

pith:2012:HGDJDRPHKWJCWULNO4NNTI7TQF

not attested not anchored not stored refs pending

Anisotropic cosmological solutions to the $Y(R)F^2$ gravity

Muzaffer Adak, \"Ozcan Sert

arxiv:1203.1531 v7 · 2012-03-07 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HGDJDRPHKWJCWULNO4NNTI7TQF}

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	2026-07-04T23:50:41.711756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

398691c5e755922b516d771ad9a3f38175882c0e7306ca6ccfb497e0b2cec159

Aliases

arxiv: 1203.1531 · arxiv_version: 1203.1531v7 · doi: 10.48550/arxiv.1203.1531 · pith_short_12: HGDJDRPHKWJC · pith_short_16: HGDJDRPHKWJCWULN · pith_short_8: HGDJDRPH

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/HGDJDRPHKWJCWULNO4NNTI7TQF \
  | 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: 398691c5e755922b516d771ad9a3f38175882c0e7306ca6ccfb497e0b2cec159

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28e3c595c803a1f9fc7e48edd886289cb9492c6dd5ed3de1939ad86b49fe5273",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-07T16:39:05Z",
    "title_canon_sha256": "8965937c200d05bde41c6488e71b994d2099d0ad454326cf6c92aeb4919aeb7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1531",
    "kind": "arxiv",
    "version": 7
  }
}