Pith Number

pith:X2VBOQPR

pith:2002:X2VBOQPRSJY4JSXJ2KJC7OKZA4

not attested not anchored not stored refs pending

Optical Counterparts of Ultraluminous X-Ray Sources

Laurent Mirioni (Observatoire Astronomique de Strasbourg), Manfred W. Pakull

arxiv:astro-ph/0202488 v2 · 2002-02-26 · 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{X2VBOQPRSJY4JSXJ2KJC7OKZA4}

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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.

Cited by

5 papers in Pith

Photoionization of the Composite Nebula Surrounding NGC 5408 X-1: Implications for Beamed Emission

Deep optical spectroscopic monitoring of the pulsating ULX NGC 1313 X-2 with longslit Gemini observations

Significant or Not? The Impact of Randomisation During Data Reduction on Confirming a New Pulsating Ultraluminous X-ray Source Candidate in Centaurus A

Deep VLBI constraints on compact radio cores in four ultraluminous X-ray sources

A Multiwavelength Assessment Disfavoring the X-ray Binary Origin of He III Regions in Metal-Poor Star-Forming Dwarf Galaxies

Receipt and verification

First computed	2026-07-04T14:11:55.569981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beaa1741f19271c4cae9d2922fb959073f4619445e15a7a4dac308a822704501

Aliases

arxiv: astro-ph/0202488 · arxiv_version: astro-ph/0202488v2 · doi: 10.48550/arxiv.astro-ph/0202488 · pith_short_12: X2VBOQPRSJY4 · pith_short_16: X2VBOQPRSJY4JSXJ · pith_short_8: X2VBOQPR

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/X2VBOQPRSJY4JSXJ2KJC7OKZA4 \
  | 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: beaa1741f19271c4cae9d2922fb959073f4619445e15a7a4dac308a822704501

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d964cfb43e010dd1ef0a110f801f64ce92a31d666ffd292985212253ef94af44",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-26T17:00:47Z",
    "title_canon_sha256": "c9c36d699cd8753fe1dd824e5635c8b1aeefb9aeb393651e41d6634699ed8448"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202488",
    "kind": "arxiv",
    "version": 2
  }
}