Pith Number

pith:LUWGMIJU

pith:2009:LUWGMIJUSM4UWXPTEJVYHWSVCV

not attested not anchored not stored refs pending

Dual black holes in merger remnants. I: linking accretion to dynamics

F. Haardt, L. Paredi, M. Colpi, M. Dotti, M. Ruszkowski, M. Volonteri

arxiv:0902.1525 v2 · 2009-02-09 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LUWGMIJUSM4UWXPTEJVYHWSVCV}

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	2026-05-18T02:14:48.616775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d2c66213493394b5df3226b83da55156467cde2af5fe91bb0ef6e301826d492

Aliases

arxiv: 0902.1525 · arxiv_version: 0902.1525v2 · doi: 10.48550/arxiv.0902.1525 · pith_short_12: LUWGMIJUSM4U · pith_short_16: LUWGMIJUSM4UWXPT · pith_short_8: LUWGMIJU

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/LUWGMIJUSM4UWXPTEJVYHWSVCV \
  | 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: 5d2c66213493394b5df3226b83da55156467cde2af5fe91bb0ef6e301826d492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92f3f894ae1f5f6fc418bafc46b3fc0aa5114fef7fb8bc0bf1af25039aa54b9f",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-02-09T21:00:09Z",
    "title_canon_sha256": "927b847091843e94c50c9f8a31769ce7c80b1c07a8792a10f26c687a8326e534"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1525",
    "kind": "arxiv",
    "version": 2
  }
}