Pith Number

pith:FWI22GZL

pith:2013:FWI22GZLCJ256P5KJROYC7YJ2L

not attested not anchored not stored refs pending

Structure of neutron stars in R-squared gravity

Federico Garc\'ia, Florencia Anabella Teppa Pannia, Gustavo Esteban Romero, Mariana Orellana

arxiv:1301.5189 v1 · 2013-01-22 · astro-ph.CO · astro-ph.HE · 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{FWI22GZLCJ256P5KJROYC7YJ2L}

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	2026-05-18T03:35:40.464594Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d91ad1b2b1275df3faa4c5d817f09d2c5ce2f43cd7ad7c6acde857c42c1454e

Aliases

arxiv: 1301.5189 · arxiv_version: 1301.5189v1 · doi: 10.48550/arxiv.1301.5189 · pith_short_12: FWI22GZLCJ25 · pith_short_16: FWI22GZLCJ256P5K · pith_short_8: FWI22GZL

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/FWI22GZLCJ256P5KJROYC7YJ2L \
  | 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: 2d91ad1b2b1275df3faa4c5d817f09d2c5ce2f43cd7ad7c6acde857c42c1454e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c922c10aaf918bbfcf0c18454c8619c9e5f07d1b2497f0ea9bde8ff3766b736a",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-01-22T14:17:21Z",
    "title_canon_sha256": "6cbe3de65642a8d59553b2e401afb4e1035aced70c66dd4286727864281f781f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5189",
    "kind": "arxiv",
    "version": 1
  }
}