Pith Number

pith:DQHI2CQO

pith:2019:DQHI2CQOL4XSZLZVM5LQVPUDF7

not attested not anchored not stored refs pending

On standardizing kilonovae and their use as standard candles to measure the Hubble constant

David A. Coulter, Jack Heinzel, Mattia Bulla, Michael W. Coughlin, Nandita Khetan, Nelson Christensen, Ryan J. Foley, Sarah Antier, Tim Dietrich

arxiv:1908.00889 v4 · 2019-08-02 · astro-ph.HE · astro-ph.CO · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DQHI2CQOL4XSZLZVM5LQVPUDF7}

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

Teamwork Makes the Dream Work: Optimizing Multi-Telescope Observations of Gravitational-Wave Counterparts

Receipt and verification

First computed	2026-07-05T00:55:03.028256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c0e8d0a0e5f2f2caf3567570abe832fc8e659a9fb1e6a4d4e190138d075772d

Aliases

arxiv: 1908.00889 · arxiv_version: 1908.00889v4 · doi: 10.48550/arxiv.1908.00889 · pith_short_12: DQHI2CQOL4XS · pith_short_16: DQHI2CQOL4XSZLZV · pith_short_8: DQHI2CQO

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/DQHI2CQOL4XSZLZVM5LQVPUDF7 \
  | 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: 1c0e8d0a0e5f2f2caf3567570abe832fc8e659a9fb1e6a4d4e190138d075772d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9942e5111494f8a1cd8eff637a098010c6e94af70a13e2f2b06770860b15212",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-08-02T14:42:14Z",
    "title_canon_sha256": "2744e984f97dcb84c901ded4693115afe8c3a63d76cf596d8e5c5697978b4120"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00889",
    "kind": "arxiv",
    "version": 4
  }
}