Pith Number

pith:P3ZTA4D6

pith:2022:P3ZTA4D6ONEDU376PXMCNJUJFP

not attested not anchored not stored refs pending

A general, scale-independent description of the sound speed in neutron stars

Christian Ecker, Luciano Rezzolla

arxiv:2207.04417 v2 · 2022-07-10 · gr-qc · astro-ph.HE · nucl-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P3ZTA4D6ONEDU376PXMCNJUJFP}

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

Reconciling GW170817 and GW190814 with a Nonmonotonic Sound-Speed Equation of State

Receipt and verification

First computed	2026-07-05T05:22:29.853980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ef330707e73483a6ffe7dd826a6892be3ec6743344ca4a45279d14c34662062

Aliases

arxiv: 2207.04417 · arxiv_version: 2207.04417v2 · doi: 10.48550/arxiv.2207.04417 · pith_short_12: P3ZTA4D6ONED · pith_short_16: P3ZTA4D6ONEDU376 · pith_short_8: P3ZTA4D6

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/P3ZTA4D6ONEDU376PXMCNJUJFP \
  | 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: 7ef330707e73483a6ffe7dd826a6892be3ec6743344ca4a45279d14c34662062

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a570440b9bb53812f0dd791f2958b37628fd4ce9b5358fc4ef5393f5d8a482e9",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "nucl-th"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-07-10T08:36:52Z",
    "title_canon_sha256": "0a3e3651027f06441b0538f67524a3247054013d50a7a90735ed0fb6d7af5201"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.04417",
    "kind": "arxiv",
    "version": 2
  }
}