Pith Number

pith:QPWKUOBX

pith:2021:QPWKUOBXQCKHEZPRMDHW2FUG3P

not attested not anchored not stored refs pending

Solar mass black holes from neutron stars and bosonic dark matter

Dmitry Levkov, Peter Tinyakov, Raghuveer Garani

arxiv:2112.09716 v2 · 2021-12-17 · hep-ph · astro-ph.CO · 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{QPWKUOBXQCKHEZPRMDHW2FUG3P}

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.

Receipt and verification

First computed	2026-07-05T04:08:27.788598Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ecaa383780947265f160cf6d1686dbdfb41b48fcf62bdfef4ff9d211da950e

Aliases

arxiv: 2112.09716 · arxiv_version: 2112.09716v2 · doi: 10.48550/arxiv.2112.09716 · pith_short_12: QPWKUOBXQCKH · pith_short_16: QPWKUOBXQCKHEZPR · pith_short_8: QPWKUOBX

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/QPWKUOBXQCKHEZPRMDHW2FUG3P \
  | 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: 83ecaa383780947265f160cf6d1686dbdfb41b48fcf62bdfef4ff9d211da950e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebac9e1c353b50ceb5232a8e497b746cca1b1821c9b1f67437ab759c510806cb",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2021-12-17T19:00:07Z",
    "title_canon_sha256": "5cf2673fe745256910f6360b450f0a301ce1965e7785c808b6927fcd2f833f9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.09716",
    "kind": "arxiv",
    "version": 2
  }
}