Pith Number

pith:WZV5EPCU

pith:2017:WZV5EPCUK7WGDHBPU6SCSYRH7H

not attested not anchored not stored refs pending

A class of simple bouncing and late-time accelerating cosmologies in f(R) gravity

A. Kuiroukidis

arxiv:1711.01398 v1 · 2017-11-04 · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WZV5EPCUK7WGDHBPU6SCSYRH7H}

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	2026-05-18T00:25:16.374700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66bd23c5457ec619c2fa7a4296227f9ce029fb4b2bf3650bfa304400ab88811

Aliases

arxiv: 1711.01398 · arxiv_version: 1711.01398v1 · doi: 10.48550/arxiv.1711.01398 · pith_short_12: WZV5EPCUK7WG · pith_short_16: WZV5EPCUK7WGDHBP · pith_short_8: WZV5EPCU

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/WZV5EPCUK7WGDHBPU6SCSYRH7H \
  | 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: b66bd23c5457ec619c2fa7a4296227f9ce029fb4b2bf3650bfa304400ab88811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35e9b67718b763d83206162728a35449a65dc8a39fe98fb4926b22fafbfc09ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-11-04T05:55:17Z",
    "title_canon_sha256": "a72df8bae8957915f460eec15fade1c4ec35282d230548aa53bd247a12237744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01398",
    "kind": "arxiv",
    "version": 1
  }
}