Pith Number

pith:QKOXA3LX

pith:2001:QKOXA3LXQDMXPQMT4QDIA22ATH

not attested not anchored not stored refs pending

A high-velocity black hole on a Galactic-halo orbit in the solar neighborhood

F. Guglielmetti, I.F. Mirabel, I. Rodrigues, R.P. Mignani, V. Dhawan

arxiv:astro-ph/0109098 v1 · 2001-09-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QKOXA3LXQDMXPQMT4QDIA22ATH}

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	2026-05-18T01:40:44.150622Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

829d706d7780d977c193e406806b4099fee29bbb6a6e93c20b8de0bd07abab7a

Aliases

arxiv: astro-ph/0109098 · arxiv_version: astro-ph/0109098v1 · doi: 10.48550/arxiv.astro-ph/0109098 · pith_short_12: QKOXA3LXQDMX · pith_short_16: QKOXA3LXQDMXPQMT · pith_short_8: QKOXA3LX

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/QKOXA3LXQDMXPQMT4QDIA22ATH \
  | 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: 829d706d7780d977c193e406806b4099fee29bbb6a6e93c20b8de0bd07abab7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c509c52c8ac43c5f6b57709d005889f87902f497cac58bbbd94b15b6758e532",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-06T16:38:12Z",
    "title_canon_sha256": "d24810708f38169e9f767862683d2f27929c480bee5ed580ae30fba6a0b53e6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109098",
    "kind": "arxiv",
    "version": 1
  }
}