Pith Number

pith:BQLZJZCA

pith:2019:BQLZJZCAGVSMDL43YKQJFTDLOC

not attested not anchored not stored refs pending

Systematic Opacity Calculations for Kilonovae

Daiji Kato, Gediminas Gaigalas, Kyohei Kawaguchi, Masaomi Tanaka

arxiv:1906.08914 v2 · 2019-06-21 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BQLZJZCAGVSMDL43YKQJFTDLOC}

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

A magnetar formation in binary neutron star merger

Receipt and verification

First computed	2026-07-05T01:08:49.346142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c1794e4403564c1af9bc2a092cc6b708f448f3d6e6c26ab964c26ab4021cb66

Aliases

arxiv: 1906.08914 · arxiv_version: 1906.08914v2 · doi: 10.48550/arxiv.1906.08914 · pith_short_12: BQLZJZCAGVSM · pith_short_16: BQLZJZCAGVSMDL43 · pith_short_8: BQLZJZCA

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/BQLZJZCAGVSMDL43YKQJFTDLOC \
  | 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: 0c1794e4403564c1af9bc2a092cc6b708f448f3d6e6c26ab964c26ab4021cb66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5a53d3715e8deb0ae3aa7f49a23b1fd85cee87eece17f6b49cfc97b53b8bd3e",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-06-21T02:05:28Z",
    "title_canon_sha256": "615dcc163ca22074dd0b4c22df0aa23684975c29904726a70606b866ee7e55cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08914",
    "kind": "arxiv",
    "version": 2
  }
}