Pith Number

pith:DMUY6DJW

pith:2007:DMUY6DJWH5G4MELFA2CTAPTEEY

not attested not anchored not stored refs pending

Alignment of the spins of supermassive black holes prior to coalescence

Christopher S. Reynolds, M. Coleman Miller (University of Maryland), Tamara Bogdanovic

arxiv:astro-ph/0703054 v2 · 2007-03-05 · astro-ph · 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{DMUY6DJWH5G4MELFA2CTAPTEEY}

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

The Bardeen-Petterson effect in accreting supermassive black-hole binaries: disc breaking and critical obliquity

Receipt and verification

First computed	2026-07-04T17:07:44.139760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b298f0d363f4dc611650685303e64262f2406d87b2a56f01a1c61d34d5d18cb

Aliases

arxiv: astro-ph/0703054 · arxiv_version: astro-ph/0703054v2 · doi: 10.48550/arxiv.astro-ph/0703054 · pith_short_12: DMUY6DJWH5G4 · pith_short_16: DMUY6DJWH5G4MELF · pith_short_8: DMUY6DJW

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/DMUY6DJWH5G4MELFA2CTAPTEEY \
  | 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: 1b298f0d363f4dc611650685303e64262f2406d87b2a56f01a1c61d34d5d18cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58dff326946c2e00f7c0ee3a8e7fab2e9ee81cce8ab0b48caf65c873497282f9",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-03-05T19:40:28Z",
    "title_canon_sha256": "3cc6124c0299534dead0ad9ac70b04664122a4d9dd5c7a8934df5dc3cf5cd7ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0703054",
    "kind": "arxiv",
    "version": 2
  }
}