Pith Number

pith:Z4PHXSQ3

pith:2025:Z4PHXSQ3C6RM7AOY25EQBO2JW3

not attested not anchored not stored refs pending

The Use of Binary Black Holes Merging in AGN Disks for Hubble Constant Measurements

Guo-peng Li, Xi-Long Fan

arxiv:2503.18333 v2 · 2025-03-24 · astro-ph.CO · astro-ph.GA · astro-ph.HE · astro-ph.SR · 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{Z4PHXSQ3C6RM7AOY25EQBO2JW3}

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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

Long-Term Optical Follow Up of S231206cc: Multi-Model Constraints on BBH Merger Emission in AGN Disks

Receipt and verification

First computed	2026-07-05T11:20:51.882717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf1e7bca1b17a2cf81d8d74900bb49b6dad325fe8b78fb6eedee0c6e5ee8435f

Aliases

arxiv: 2503.18333 · arxiv_version: 2503.18333v2 · doi: 10.48550/arxiv.2503.18333 · pith_short_12: Z4PHXSQ3C6RM · pith_short_16: Z4PHXSQ3C6RM7AOY · pith_short_8: Z4PHXSQ3

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/Z4PHXSQ3C6RM7AOY25EQBO2JW3 \
  | 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: cf1e7bca1b17a2cf81d8d74900bb49b6dad325fe8b78fb6eedee0c6e5ee8435f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d164117c6ac8f6cadb4e781aa73d296d56fc21d1efac700b70ff6ff0e89098e",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.HE",
      "astro-ph.SR",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2025-03-24T04:32:15Z",
    "title_canon_sha256": "7466e5a590726d63a115a3540fffdb5193d1859f5971e0efb2e381349357e228"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.18333",
    "kind": "arxiv",
    "version": 2
  }
}