Pith Number

pith:LNG7U2AV

pith:2002:LNG7U2AVYJB4TKALJY5CKNM6N3

not attested not anchored not stored refs pending

XMM-Newton observations of ultraluminous X-ray sources in nearby galaxies

E. Piconcelli, F. Gianotti, F. Panessa, G. Di Cocco, G. Malaguti, J.B. Stephen, L. Bassani, L. C. Ho, L. Foschini, M. Cappi, M. Dadina, M. Trifoglio

arxiv:astro-ph/0206418 v1 · 2002-06-24 · 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{LNG7U2AVYJB4TKALJY5CKNM6N3}

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	2026-07-04T16:30:16.511272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b4dfa6815c243c9a80b4e3a25359e6ed37438557479fb4c66fe6149e69b1972

Aliases

arxiv: astro-ph/0206418 · arxiv_version: astro-ph/0206418v1 · doi: 10.48550/arxiv.astro-ph/0206418 · pith_short_12: LNG7U2AVYJB4 · pith_short_16: LNG7U2AVYJB4TKAL · pith_short_8: LNG7U2AV

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/LNG7U2AVYJB4TKALJY5CKNM6N3 \
  | 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: 5b4dfa6815c243c9a80b4e3a25359e6ed37438557479fb4c66fe6149e69b1972

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5a32e72ee201e695b2dab8bb89726da07948985c6fb1aa4c3486a39f979a692",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-06-24T17:44:18Z",
    "title_canon_sha256": "79307bb237c441ba6fda8e0e7009548f6e2df3b97b6d77c18bf694b67332d45b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0206418",
    "kind": "arxiv",
    "version": 1
  }
}