Pith Number

pith:BCQSZZCI

pith:2009:BCQSZZCIKQ5ZBWHTEEPGVTZMOT

not attested not anchored not stored refs pending

Perturbations of Intermediate-mass Black Holes on Stellar Orbits in the Galactic Center

Alessia Gualandris, David Merritt

arxiv:0905.4514 v2 · 2009-05-27 · 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{BCQSZZCIKQ5ZBWHTEEPGVTZMOT}

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	2026-05-18T04:29:42.920233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08a12ce448543b90d8f3211e6acf2c74faf841c59ff1041a6d89b4299cb78fa2

Aliases

arxiv: 0905.4514 · arxiv_version: 0905.4514v2 · doi: 10.48550/arxiv.0905.4514 · pith_short_12: BCQSZZCIKQ5Z · pith_short_16: BCQSZZCIKQ5ZBWHT · pith_short_8: BCQSZZCI

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/BCQSZZCIKQ5ZBWHTEEPGVTZMOT \
  | 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: 08a12ce448543b90d8f3211e6acf2c74faf841c59ff1041a6d89b4299cb78fa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c209aec0f17bc7551d196b1ed70f3ff72f218fff13d2582080d9e054d0db2c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-27T20:49:46Z",
    "title_canon_sha256": "9c776192a6e201d8888ee562166e5e34c74f9c10ccbe617f41a1694da056f135"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.4514",
    "kind": "arxiv",
    "version": 2
  }
}