Pith Number

pith:YWPETRN2

pith:2013:YWPETRN2ZASVPF7K7X44PMTYG7

not attested not anchored not stored refs pending

Regular models with quadratic equation of state

P. Mafa Takisa, S. D. Maharaj

arxiv:1301.1418 v1 · 2013-01-08 · 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{YWPETRN2ZASVPF7K7X44PMTYG7}

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.

Cited by

1 paper in Pith

Rotating neutron stars: anisotropy model comparison

Receipt and verification

First computed	2026-05-18T01:52:20.784079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c59e49c5bac8255797eafdf9c7b27837eb98e600e55193fee81cd68ef71fb413

Aliases

arxiv: 1301.1418 · arxiv_version: 1301.1418v1 · doi: 10.48550/arxiv.1301.1418 · pith_short_12: YWPETRN2ZASV · pith_short_16: YWPETRN2ZASVPF7K · pith_short_8: YWPETRN2

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/YWPETRN2ZASVPF7K7X44PMTYG7 \
  | 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: c59e49c5bac8255797eafdf9c7b27837eb98e600e55193fee81cd68ef71fb413

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d250b41533d81bccc1dfd7eea10f82f54506cd721f980143e10d18cc130d837",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-08T05:54:00Z",
    "title_canon_sha256": "ae44c77b4688049193031865e9ca4e5a22f814e1baa16dd62dd813a4b505419e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.1418",
    "kind": "arxiv",
    "version": 1
  }
}