Pith Number

pith:YH5OJIXG

pith:2023:YH5OJIXGHIM2Z7ZIFIZJOBURAB

not attested not anchored not stored refs pending

Central Speed of Sound, Trace Anomaly and Observables of Neutron Stars from Perturbative Analyses of Scaled TOV Equations

Bao-An Li, Bao-Jun Cai, Zhen Zhang

arxiv:2307.15223 v2 · 2023-07-27 · nucl-th · astro-ph.HE · nucl-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YH5OJIXGHIM2Z7ZIFIZJOBURAB}

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	2026-07-05T07:16:44.595482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1fae4a2e63a19acff282a32970691005743a8a0f763aeecf4a9d1b5da66e2a9

Aliases

arxiv: 2307.15223 · arxiv_version: 2307.15223v2 · doi: 10.48550/arxiv.2307.15223 · pith_short_12: YH5OJIXGHIM2 · pith_short_16: YH5OJIXGHIM2Z7ZI · pith_short_8: YH5OJIXG

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/YH5OJIXGHIM2Z7ZIFIZJOBURAB \
  | 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: c1fae4a2e63a19acff282a32970691005743a8a0f763aeecf4a9d1b5da66e2a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1bd89bcad9f01283317cf5ae84fff4c2d16ffbd384c9069bad288da029aef3c4",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "nucl-ex"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2023-07-27T22:49:24Z",
    "title_canon_sha256": "30e985ccae272902829d28a40289505cce148edc1f3bb77166a8e99d852c8003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.15223",
    "kind": "arxiv",
    "version": 2
  }
}