Pith Number

pith:QD2S4HLG

pith:2019:QD2S4HLGFOWKRIY6MWE2F72ULD

not attested not anchored not stored refs pending

GS 2000+25: The Least Luminous Black Hole X-ray Binary

E. Gallo, G. R. Sivakoff, J. C. A. Miller-Jones, J. Rodriguez, J. Strader, L. Chomiuk, R. M. Plotkin, R. Urquhart, T. Panurach

arxiv:1912.01029 v2 · 2019-12-02 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QD2S4HLGFOWKRIY6MWE2F72ULD}

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	2026-07-05T00:38:08.522379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80f52e1d662baca8a31e6589a2ff5458cf76209979b4174022c82fc4b6979444

Aliases

arxiv: 1912.01029 · arxiv_version: 1912.01029v2 · doi: 10.48550/arxiv.1912.01029 · pith_short_12: QD2S4HLGFOWK · pith_short_16: QD2S4HLGFOWKRIY6 · pith_short_8: QD2S4HLG

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/QD2S4HLGFOWKRIY6MWE2F72ULD \
  | 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: 80f52e1d662baca8a31e6589a2ff5458cf76209979b4174022c82fc4b6979444

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42d3cfc6803ff6fe9ce80c327a092d3c8200f2fc5bd00a3d7d8ecabaa2f48b17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-12-02T19:00:31Z",
    "title_canon_sha256": "d59492736c769cd0ec034656375ffb95be6081c01d92eec234772b38dceca627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01029",
    "kind": "arxiv",
    "version": 2
  }
}