Pith Number

pith:PPHLWUVG

pith:2001:PPHLWUVGQTHHD5GGMNYVN5K4EA

not attested not anchored not stored refs pending

Bulk viscosity in superfluid neutron star cores. II. Modified Urca processes in $npe\mu$ matter

D.G.Yakovlev, K.P.Levenfish, P.Haensel

arxiv:astro-ph/0103290 v1 · 2001-03-19 · astro-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{PPHLWUVGQTHHD5GGMNYVN5K4EA}

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

Bulk viscosity from neutron decays to dark baryons in neutron star matter

Receipt and verification

First computed	2026-07-04T16:22:53.538336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bcebb52a684ce71f4c6637156f55c20114bb48b729b41037b908ddb90561f4d

Aliases

arxiv: astro-ph/0103290 · arxiv_version: astro-ph/0103290v1 · doi: 10.48550/arxiv.astro-ph/0103290 · pith_short_12: PPHLWUVGQTHH · pith_short_16: PPHLWUVGQTHHD5GG · pith_short_8: PPHLWUVG

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/PPHLWUVGQTHHD5GGMNYVN5K4EA \
  | 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: 7bcebb52a684ce71f4c6637156f55c20114bb48b729b41037b908ddb90561f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7afb2ee18066e0c0095f24eb6589712d456a2e77530462381c412f5cf85285a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-03-19T14:08:10Z",
    "title_canon_sha256": "2521dbb4e608126cd369b2098ce6aa19397f85a4457054c66d67f549bf815620"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0103290",
    "kind": "arxiv",
    "version": 1
  }
}