Pith Number

pith:VQEN4KSP

pith:2025:VQEN4KSPJYOL6R6K7QOMRMLOCJ

not attested not anchored not stored refs pending

The thermal index of neutron-star matter in the virial approximation

Adriana Nadal-Matosas, Arnau Rios, Giuseppe Rivieccio, Milton Ruiz

arxiv:2501.16795 v2 · 2025-01-28 · nucl-th · 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{VQEN4KSPJYOL6R6K7QOMRMLOCJ}

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	2026-07-05T11:39:47.699699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac08de2a4f4e1cbf47cafc1cc8b16e1268c626e9cc7ea8be351110a9229b1fe8

Aliases

arxiv: 2501.16795 · arxiv_version: 2501.16795v2 · doi: 10.48550/arxiv.2501.16795 · pith_short_12: VQEN4KSPJYOL · pith_short_16: VQEN4KSPJYOL6R6K · pith_short_8: VQEN4KSP

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/VQEN4KSPJYOL6R6K7QOMRMLOCJ \
  | 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: ac08de2a4f4e1cbf47cafc1cc8b16e1268c626e9cc7ea8be351110a9229b1fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c235d1357fcac00ebe5be6fce4bb298be1562eec5a06b03b08057b43794bc588",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2025-01-28T08:54:50Z",
    "title_canon_sha256": "8e5694b63ba0a0a68bab84bfb1a1a3dd595e96df24c74d248113813269304598"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16795",
    "kind": "arxiv",
    "version": 2
  }
}