pith. sign in
Pith Number

pith:SYVF7OYL

pith:2013:SYVF7OYL4M7V4GQSP3PMBQRN26
not attested not anchored not stored refs pending

Particle Production in f(R) Gravity during Structure Formation

A.D. Dolgov, E.V. Arbuzova, L. Reverberi

arxiv:1305.5668 v2 · 2013-05-24 · gr-qc · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SYVF7OYL4M7V4GQSP3PMBQRN26}

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 2026-05-18T01:49:46.968726Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

962a5fbb0be33f5e1a127edec0c22dd7b6bd1533da39fb40318177933f0b2935

Aliases

arxiv: 1305.5668 · arxiv_version: 1305.5668v2 · doi: 10.48550/arxiv.1305.5668 · pith_short_12: SYVF7OYL4M7V · pith_short_16: SYVF7OYL4M7V4GQS · pith_short_8: SYVF7OYL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SYVF7OYL4M7V4GQSP3PMBQRN26 \
  | 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: 962a5fbb0be33f5e1a127edec0c22dd7b6bd1533da39fb40318177933f0b2935
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7e4005b8ba3a51eb51a103aedd73f2744f6a060b35a515fd4a5e67b1e4930d64",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-24T09:50:47Z",
    "title_canon_sha256": "0e68d5ecb626c50374db73d9bba4d8a79024efeaf22662a9cb8ea5d66db14978"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.5668",
    "kind": "arxiv",
    "version": 2
  }
}