Pith Number

pith:XON7EA27

pith:2019:XON7EA276SQDP4FWOSXIFAHWVL

not attested not anchored not stored refs pending

X-Ray Spectral Variability of Ultraluminous X-Ray Sources in Extragalactic Globular Clusters

Arash Bahramian, Arunav Kundu, Kristen C. Dage, Mark B. Peacock, Omid Noroozi, Stephen E. Zepf, Thomas J. Maccarone

arxiv:1902.05073 v2 · 2019-02-13 · 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{XON7EA276SQDP4FWOSXIFAHWVL}

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

2 papers in Pith

Transient and Variable Ultra-luminous X-ray Sources in NGC 4552

Searching for links between energetic millisecond pulsars and repeating fast radio bursts

Receipt and verification

First computed	2026-05-17T23:52:35.948564Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb9bf2035ff4a037f0b674ae8280f6aae85adcc1f18a805b4e5ae03a1cec6efa

Aliases

arxiv: 1902.05073 · arxiv_version: 1902.05073v2 · doi: 10.48550/arxiv.1902.05073 · pith_short_12: XON7EA276SQD · pith_short_16: XON7EA276SQDP4FW · pith_short_8: XON7EA27

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/XON7EA276SQDP4FWOSXIFAHWVL \
  | 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: bb9bf2035ff4a037f0b674ae8280f6aae85adcc1f18a805b4e5ae03a1cec6efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e06e215e95203713e4d4b9ba6264e1503f12beb59b0028116c2afcc2b355fddd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-02-13T19:00:00Z",
    "title_canon_sha256": "9afcfe851b98534229d323c97de1d962bbdd36783fbddae81b8aa958b353babb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05073",
    "kind": "arxiv",
    "version": 2
  }
}