Pith Number

pith:XQ3QBFQT

pith:2026:XQ3QBFQTNWMWFESHDWONBEOMZV

not attested not anchored not stored refs pending

An Effective Upper Bound on the Pressure-to-Energy Density Ratio in Neutron Stars

Bao-An Li, Bao-Jun Cai, Yu-Gang Ma

arxiv:2601.02980 v2 · 2026-01-06 · nucl-th · astro-ph.HE · gr-qc · hep-ph · 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{XQ3QBFQTNWMWFESHDWONBEOMZV}

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

2 papers in Pith

A New Scaling of Neutron Star Tidal Deformability for Directly Probing the Core Equation of State

Trace Anomaly of Cold Dense Matter Constrained by Collective Flow

Receipt and verification

First computed	2026-07-29T00:24:34.762173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc370096136d996292471d9cd091cccd695ad2da8a5c18c171bc96458783e511

Aliases

arxiv: 2601.02980 · arxiv_version: 2601.02980v2 · doi: 10.48550/arxiv.2601.02980 · pith_short_12: XQ3QBFQTNWMW · pith_short_16: XQ3QBFQTNWMWFESH · pith_short_8: XQ3QBFQT

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/XQ3QBFQTNWMWFESHDWONBEOMZV \
  | 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: bc370096136d996292471d9cd091cccd695ad2da8a5c18c171bc96458783e511

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7c5210effba5020cae314bab5731d3cad2d6065db8ed092c3b0f062fe5f9d85",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc",
      "hep-ph",
      "nucl-ex"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "nucl-th",
    "submitted_at": "2026-01-06T12:45:06Z",
    "title_canon_sha256": "bda1753252e1c6c1fe56344bcb2d76039480cd92648673a47d99b6548bf33c7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.02980",
    "kind": "arxiv",
    "version": 2
  }
}