Pith Number

pith:HZ5KIXBP

pith:2022:HZ5KIXBPLFNWEMSANIL2DZQMME

not attested not anchored not stored refs pending

Reconstructing the neutron star equation of state from observational data via automatic differentiation

Horst St\"ocker, Kai Zhou, Lingxiao Wang, Shriya Soma, Shuzhe Shi

arxiv:2209.08883 v2 · 2022-09-19 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HZ5KIXBPLFNWEMSANIL2DZQMME}

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	2026-07-05T06:06:02.449810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e7aa45c2f595b6232406a17a1e60c61046b2d48415f446c5ba31b4ef7577f56

Aliases

arxiv: 2209.08883 · arxiv_version: 2209.08883v2 · doi: 10.48550/arxiv.2209.08883 · pith_short_12: HZ5KIXBPLFNW · pith_short_16: HZ5KIXBPLFNWEMSA · pith_short_8: HZ5KIXBP

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/HZ5KIXBPLFNWEMSANIL2DZQMME \
  | 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: 3e7aa45c2f595b6232406a17a1e60c61046b2d48415f446c5ba31b4ef7577f56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca17fb3bad9af2dbac35eb9133eb074fe412db20496377e688a226a1c17319e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-09-19T09:38:33Z",
    "title_canon_sha256": "016c34df9d0e8085428f4ea8bc1609b927286de8306aaf2f1c1b7e01914d4e36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2209.08883",
    "kind": "arxiv",
    "version": 2
  }
}