Pith Number

pith:UF5NV7GP

pith:2011:UF5NV7GPM72CUHC7MNTMEK7NED

not attested not anchored not stored refs pending

Recoiling Black Holes in Merging Galaxies: Relationship to AGN Lifetimes and Merger Remnant Properties

Abraham Loeb, Lars Hernquist, Laura Blecha, Thomas J. Cox

arxiv:1109.6574 v1 · 2011-09-29 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UF5NV7GPM72CUHC7MNTMEK7NED}

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	2026-05-18T04:12:01.306106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a17adafccf67f42a1c5f6366c22bed20d2232c42d3b23c3c39cd669f52b5fa0e

Aliases

arxiv: 1109.6574 · arxiv_version: 1109.6574v1 · doi: 10.48550/arxiv.1109.6574 · pith_short_12: UF5NV7GPM72C · pith_short_16: UF5NV7GPM72CUHC7 · pith_short_8: UF5NV7GP

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/UF5NV7GPM72CUHC7MNTMEK7NED \
  | 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: a17adafccf67f42a1c5f6366c22bed20d2232c42d3b23c3c39cd669f52b5fa0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f096e69fdbaa10c6f1a1a68851783ec107b370f420ca58fdc29fa09c15e9965d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-29T16:11:13Z",
    "title_canon_sha256": "bb858f7b07c9b0dc23b24cad9a8b35f3ea73f8b415d8aedacfac9a9883a2663f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6574",
    "kind": "arxiv",
    "version": 1
  }
}