Pith Number

pith:ZMHX4B3A

pith:2009:ZMHX4B3A4A2AKCYZBLMA7QWAN7

not attested not anchored not stored refs pending

On strong mass segregation around a massive black hole: Implications for lower-frequency gravitational-wave astrophysics

Miguel Preto, Pau Amaro-Seoane

arxiv:0910.3206 v2 · 2009-10-16 · astro-ph.GA · astro-ph.CO · 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{ZMHX4B3A4A2AKCYZBLMA7QWAN7}

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	2026-05-18T02:11:14.915578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb0f7e0760e034050b190ad80fc2c06fd9fbf1ab2181070e1a69160bcbe4a36a

Aliases

arxiv: 0910.3206 · arxiv_version: 0910.3206v2 · doi: 10.48550/arxiv.0910.3206 · pith_short_12: ZMHX4B3A4A2A · pith_short_16: ZMHX4B3A4A2AKCYZ · pith_short_8: ZMHX4B3A

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/ZMHX4B3A4A2AKCYZBLMA7QWAN7 \
  | 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: cb0f7e0760e034050b190ad80fc2c06fd9fbf1ab2181070e1a69160bcbe4a36a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0cca35eff4c2afcb36249e8d9fa6f90175fa781ee062fa0f7f5676fdb3a058e",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-16T19:58:31Z",
    "title_canon_sha256": "373365a5340258651248a7792ef60caf68fbd697bbd4e05f6ded099b80162eb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3206",
    "kind": "arxiv",
    "version": 2
  }
}