Pith Number

pith:F4J4UA65

pith:2025:F4J4UA65F4BTCTULABGYJCELKR

not attested not anchored not stored refs pending

Inferring the Equation of State from Neutron Star Observables via Machine Learning

B. K. Agrawal, Constan\c{c}a Provid\^encia, Helena Pais, Kai Zhou, N. K. Patra, Tuhin Malik

arxiv:2502.20226 v2 · 2025-02-27 · nucl-th · astro-ph.HE · astro-ph.SR · gr-qc · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F4J4UA65F4BTCTULABGYJCELKR}

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

Machine learning the impact parameter in heavy-ion collisions at $\sqrt{s_{\rm NN}}$ = 4 and 11 GeV: a cross-check study with UrQMD, AMPT, and JAM

Receipt and verification

First computed	2026-07-05T10:49:51.853787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f13ca03dd2f03314e8b004d84888b5448680952f56ab64f3cb60e0e94c0f807

Aliases

arxiv: 2502.20226 · arxiv_version: 2502.20226v2 · doi: 10.48550/arxiv.2502.20226 · pith_short_12: F4J4UA65F4BT · pith_short_16: F4J4UA65F4BTCTUL · pith_short_8: F4J4UA65

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/F4J4UA65F4BTCTULABGYJCELKR \
  | 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: 2f13ca03dd2f03314e8b004d84888b5448680952f56ab64f3cb60e0e94c0f807

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "607ad2e8250d7f019b2915d2eeb58655b02242c128b53bf885396445e7aaad2a",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.SR",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2025-02-27T16:12:52Z",
    "title_canon_sha256": "8714ac42936decf0d103057f63bea2c6a38db555f98e0a94db83c7c0432b3466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.20226",
    "kind": "arxiv",
    "version": 2
  }
}