Pith Number

pith:SGPUIIBK

pith:2005:SGPUIIBKRVO6PB5JD57UPQ2W7T

not attested not anchored not stored refs pending

XMM-Newton Observations of Ultraluminous X-Ray Sources in Nearby Galaxies

Hua Feng (U of Iowa), Philip Kaaret (U of Iowa)

arxiv:astro-ph/0507562 v2 · 2005-07-24 · 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{SGPUIIBKRVO6PB5JD57UPQ2W7T}

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.

Cited by

1 paper in Pith

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

Receipt and verification

First computed	2026-07-04T17:14:55.551059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

919f44202a8d5de787a91f7f47c356fcefdd016b50d2166b671f3df0abdd3418

Aliases

arxiv: astro-ph/0507562 · arxiv_version: astro-ph/0507562v2 · doi: 10.48550/arxiv.astro-ph/0507562 · pith_short_12: SGPUIIBKRVO6 · pith_short_16: SGPUIIBKRVO6PB5J · pith_short_8: SGPUIIBK

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/SGPUIIBKRVO6PB5JD57UPQ2W7T \
  | 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: 919f44202a8d5de787a91f7f47c356fcefdd016b50d2166b671f3df0abdd3418

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5e16f945323d014d8161b2b4546cb492d8cc40c011d4818cbb345932597bdb5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-24T03:33:33Z",
    "title_canon_sha256": "79307bb237c441ba6fda8e0e7009548f6e2df3b97b6d77c18bf694b67332d45b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507562",
    "kind": "arxiv",
    "version": 2
  }
}