Pith Number

pith:NVMSV4RQ

pith:2014:NVMSV4RQ6X2J5FSYDO6GZ7UT7V

not attested not anchored not stored refs pending

Particle creation in a f(R) theory with cosmological constraints

R. F. L. Holanda, S. H. Pereira

arxiv:1402.5004 v1 · 2014-02-20 · 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{NVMSV4RQ6X2J5FSYDO6GZ7UT7V}

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	2026-05-18T00:44:18.896129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d592af230f5f49e96581bbc6cfe93fd7bab58cbacc27d29f400999b000224bf

Aliases

arxiv: 1402.5004 · arxiv_version: 1402.5004v1 · doi: 10.48550/arxiv.1402.5004 · pith_short_12: NVMSV4RQ6X2J · pith_short_16: NVMSV4RQ6X2J5FSY · pith_short_8: NVMSV4RQ

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/NVMSV4RQ6X2J5FSYDO6GZ7UT7V \
  | 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: 6d592af230f5f49e96581bbc6cfe93fd7bab58cbacc27d29f400999b000224bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38c0676bba04132fd5d0dec87ba57400c6c6a98229bbcf61786b66c95ec2b9ba",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-02-20T14:13:52Z",
    "title_canon_sha256": "97ab326785222e793081d87c0ea14d4c5581bdf2fbb3b0b7d36d35a5dfbea0a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.5004",
    "kind": "arxiv",
    "version": 1
  }
}