Pith Number

pith:2F2KKPN6

pith:2014:2F2KKPN6JYN7SWRDWNXV7YGQNY

not attested not anchored not stored refs pending

Nonperturbative models of quark stars in $f(R)$ gravity

A. V. Astashenok, S. Capozziello, S. D. Odintsov

arxiv:1412.5453 v2 · 2014-12-17 · gr-qc · astro-ph.HE · 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{2F2KKPN6JYN7SWRDWNXV7YGQNY}

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	2026-05-18T01:41:18.450863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d174a53dbe4e1bf95a23b36f5fe0d06e1b8f4b25d22d0798b50259793c6734f8

Aliases

arxiv: 1412.5453 · arxiv_version: 1412.5453v2 · doi: 10.48550/arxiv.1412.5453 · pith_short_12: 2F2KKPN6JYN7 · pith_short_16: 2F2KKPN6JYN7SWRD · pith_short_8: 2F2KKPN6

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/2F2KKPN6JYN7SWRDWNXV7YGQNY \
  | 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: d174a53dbe4e1bf95a23b36f5fe0d06e1b8f4b25d22d0798b50259793c6734f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "026949957feedf9aee3823f50ed7665d179b6681f3c60fd51f61841bc55b968f",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-12-17T15:57:09Z",
    "title_canon_sha256": "6cd4fd4b25f366193642ab5f7c1ea58c9290a072892c2931533ae54153678588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.5453",
    "kind": "arxiv",
    "version": 2
  }
}