Pith Number

pith:G6EUWTGZ

pith:2017:G6EUWTGZNNBJCUNVTB2CAASJAB

not attested not anchored not stored refs pending

Polynomial $f(R)$ Palatini cosmology -- dynamical system approach

Aleksander Stachowski, Marek Szydlowski

arxiv:1712.00822 v1 · 2017-12-03 · 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{G6EUWTGZNNBJCUNVTB2CAASJAB}

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	2026-05-18T00:14:46.869305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37894b4cd96b429151b598742002490042868d37af75fec728980fe1776cb5fd

Aliases

arxiv: 1712.00822 · arxiv_version: 1712.00822v1 · doi: 10.48550/arxiv.1712.00822 · pith_short_12: G6EUWTGZNNBJ · pith_short_16: G6EUWTGZNNBJCUNV · pith_short_8: G6EUWTGZ

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/G6EUWTGZNNBJCUNVTB2CAASJAB \
  | 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: 37894b4cd96b429151b598742002490042868d37af75fec728980fe1776cb5fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "093cb45bde7acd27a9cc43aa875d00eac4b41f74b28aca351a5162616caea8b1",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-12-03T19:29:59Z",
    "title_canon_sha256": "017add1caa34af3741fcb6a1e5c73ab2a2a7da5809be8fcdc319be831b5ad3ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00822",
    "kind": "arxiv",
    "version": 1
  }
}