Pith Number

pith:IMT3M33E

pith:2015:IMT3M33EXKWFGCJFM4DUJFXAKI

not attested not anchored not stored refs pending

Constraining $f(R)$ gravity by the Large Scale Structure

Ivan de Martino, Mariafelicia De Laurentis, Salvatore Capozziello

arxiv:1507.06123 v2 · 2015-07-22 · 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{IMT3M33EXKWFGCJFM4DUJFXAKI}

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	2026-05-18T01:35:43.232576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4327b66f64baac53092567074496e0523612636da9b10b162daf3d678287e1e0

Aliases

arxiv: 1507.06123 · arxiv_version: 1507.06123v2 · doi: 10.48550/arxiv.1507.06123 · pith_short_12: IMT3M33EXKWF · pith_short_16: IMT3M33EXKWFGCJF · pith_short_8: IMT3M33E

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/IMT3M33EXKWFGCJFM4DUJFXAKI \
  | 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: 4327b66f64baac53092567074496e0523612636da9b10b162daf3d678287e1e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79743720d9eeeb55f434669a9b2248294b6ae50f7fc0e4a7c467eb88b6a87836",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-07-22T10:53:38Z",
    "title_canon_sha256": "099edf4f256ab0d5737df00c876369be29d63010901e5e43fefba693215955d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06123",
    "kind": "arxiv",
    "version": 2
  }
}