Pith Number

pith:DPNPSLXX

pith:2010:DPNPSLXXKYTHTF7AW2YNQNQA5L

not attested not anchored not stored refs pending

Recoiling Black Holes in Merging Galaxies: Relationship to AGN Lifetimes, Starbursts, and the M-sigma Relation

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

arxiv:1009.4940 v2 · 2010-09-24 · 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{DPNPSLXXKYTHTF7AW2YNQNQA5L}

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	2026-05-18T02:05:17.458098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bdaf92ef756267997e0b6b0d83600eafae984883a67f27f9369982e1f5efa52

Aliases

arxiv: 1009.4940 · arxiv_version: 1009.4940v2 · doi: 10.48550/arxiv.1009.4940 · pith_short_12: DPNPSLXXKYTH · pith_short_16: DPNPSLXXKYTHTF7A · pith_short_8: DPNPSLXX

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/DPNPSLXXKYTHTF7AW2YNQNQA5L \
  | 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: 1bdaf92ef756267997e0b6b0d83600eafae984883a67f27f9369982e1f5efa52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c424e64da8274d05972457922e0fc0706e4c93b1c9c75b7505e9c6b10d83795a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-24T20:14:32Z",
    "title_canon_sha256": "3745c4ed6f65b00e2b97a6e9a53e14cb595cc6f505b625d615982d7390a72838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4940",
    "kind": "arxiv",
    "version": 2
  }
}