Pith Number

pith:BEZD23XV

pith:2017:BEZD23XV4ZVY7T3PL7VWSIGR6H

not attested not anchored not stored refs pending

$f(R)$ constant-roll inflation

Alexei A. Starobinsky, Hayato Motohashi

arxiv:1704.08188 v2 · 2017-04-26 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BEZD23XV4ZVY7T3PL7VWSIGR6H}

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	2026-05-18T00:38:08.687815Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09323d6ef5e66b8fcf6f5feb6920d1f1e920d6780dc9cc88976bacff5676ca3a

Aliases

arxiv: 1704.08188 · arxiv_version: 1704.08188v2 · doi: 10.48550/arxiv.1704.08188 · pith_short_12: BEZD23XV4ZVY · pith_short_16: BEZD23XV4ZVY7T3P · pith_short_8: BEZD23XV

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/BEZD23XV4ZVY7T3PL7VWSIGR6H \
  | 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: 09323d6ef5e66b8fcf6f5feb6920d1f1e920d6780dc9cc88976bacff5676ca3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bfffbb50ac60e40ebe4bc112a0369e91a987a70ad8a147df38f60a26af344b4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-04-26T16:26:00Z",
    "title_canon_sha256": "89b3e680c0330c5792a955f7ebede9686010beea35489adda1f26cd80337f88b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.08188",
    "kind": "arxiv",
    "version": 2
  }
}