Pith Number

pith:IMBT42XO

pith:2015:IMBT42XOOBN7S7M322M4UL3L7X

not attested not anchored not stored refs pending

A new approach to the analysis of the phase space of f(R)-gravity

Sante Carloni

arxiv:1505.06015 v2 · 2015-05-22 · gr-qc · astro-ph.CO · hep-th · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMBT42XOOBN7S7M322M4UL3L7X}

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	2026-05-18T01:29:20.975488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43033e6aee705bf97d9bd699ca2f6bfdda875ecf104a54c19ffa48568b11ac69

Aliases

arxiv: 1505.06015 · arxiv_version: 1505.06015v2 · doi: 10.48550/arxiv.1505.06015 · pith_short_12: IMBT42XOOBN7 · pith_short_16: IMBT42XOOBN7S7M3 · pith_short_8: IMBT42XO

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/IMBT42XOOBN7S7M322M4UL3L7X \
  | 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: 43033e6aee705bf97d9bd699ca2f6bfdda875ecf104a54c19ffa48568b11ac69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7f7dab69268662eb54ab3feba38881ab42e114b91d6ba4b8f0316d5c3e1ee91",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-05-22T10:20:15Z",
    "title_canon_sha256": "8bdff21ed5bbd559b45d75a5b24a997e6c24662430659e32090c6983e8cc306d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06015",
    "kind": "arxiv",
    "version": 2
  }
}