Pith Number

pith:RN7ZCZU6

pith:2013:RN7ZCZU6YC7R7RAGEFIGMSC6VN

not attested not anchored not stored refs pending

Binary systems in Palatini-f(R) gravity

Hannu J. Nyrhinen, Kari Enqvist, Tomi Koivisto

arxiv:1308.0988 v1 · 2013-08-05 · 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{RN7ZCZU6YC7R7RAGEFIGMSC6VN}

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	2026-05-18T03:06:44.395347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8b7f91669ec0bf1fc406215066485eab6cf90782a1fb4fbecdf2513e14d71f5f

Aliases

arxiv: 1308.0988 · arxiv_version: 1308.0988v1 · doi: 10.48550/arxiv.1308.0988 · pith_short_12: RN7ZCZU6YC7R · pith_short_16: RN7ZCZU6YC7R7RAG · pith_short_8: RN7ZCZU6

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/RN7ZCZU6YC7R7RAGEFIGMSC6VN \
  | 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: 8b7f91669ec0bf1fc406215066485eab6cf90782a1fb4fbecdf2513e14d71f5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c13f844ef8c41005bed69fa54dcaf479133e22c24e9a7d0739be44def7930eaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-05T14:10:44Z",
    "title_canon_sha256": "f5be4935c5892a1f5d97a6f594f7caec574939cd756058dac180e23b46b02b9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0988",
    "kind": "arxiv",
    "version": 1
  }
}