Pith Number

pith:U4FVZRFB

pith:2019:U4FVZRFBIU3TMHDC5MQCS6ZROA

not attested not anchored not stored refs pending

Bulk viscosity in neutron stars with hyperon cores

(2) N. Copernicus Astronomical Center, D. D. Ofengeim (1), M. E. Gusakov (1), M. Fortin (2) ((1) Ioffe Institute, P. Haensel (2), Poland), Russia, St. Petersburg, Warszawa

arxiv:1911.08407 v1 · 2019-11-19 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U4FVZRFBIU3TMHDC5MQCS6ZROA}

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

PSR J0952-0607: Probing the Stiffest Equations of State and r-Mode Suppression Mechanisms

Receipt and verification

First computed	2026-07-05T00:20:56.553971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a70b5cc4a14537361c62eb20297b317029927cc75bf4bf6dd36e65ea1385467c

Aliases

arxiv: 1911.08407 · arxiv_version: 1911.08407v1 · doi: 10.48550/arxiv.1911.08407 · pith_short_12: U4FVZRFBIU3T · pith_short_16: U4FVZRFBIU3TMHDC · pith_short_8: U4FVZRFB

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/U4FVZRFBIU3TMHDC5MQCS6ZROA \
  | 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: a70b5cc4a14537361c62eb20297b317029927cc75bf4bf6dd36e65ea1385467c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f964875d5062fa93a245908bc28186765f47e53d6225432793287a9f71b4687",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-11-19T17:25:17Z",
    "title_canon_sha256": "cfe1ef14094f345d5f62310aa97962468ef53334b8b8c85eb0401cd8cb002c08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.08407",
    "kind": "arxiv",
    "version": 1
  }
}