Pith Number

pith:MU6VZF7N

pith:2004:MU6VZF7N2VK5MLUH5GMCZVEUII

not attested not anchored not stored refs pending

X-ray Line Emitting Objects in XMM-Newton Observations: the Tip of the Iceberg

A. Caccianiga, P. Severgnini, R. Della Ceca, T. Maccacaro, V. Braito

arxiv:astro-ph/0411141 v1 · 2004-11-05 · 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{MU6VZF7N2VK5MLUH5GMCZVEUII}

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	2026-07-04T16:45:07.616190Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

653d5c97edd555d62e87e9982cd494420a17f169f5b9794771ae91e44e36aba9

Aliases

arxiv: astro-ph/0411141 · arxiv_version: astro-ph/0411141v1 · doi: 10.48550/arxiv.astro-ph/0411141 · pith_short_12: MU6VZF7N2VK5 · pith_short_16: MU6VZF7N2VK5MLUH · pith_short_8: MU6VZF7N

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/MU6VZF7N2VK5MLUH5GMCZVEUII \
  | 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: 653d5c97edd555d62e87e9982cd494420a17f169f5b9794771ae91e44e36aba9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ce5ff754b784037c5576f9964f3acfa6ee4def449a26eb4731ddc0bdb70568",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-11-05T13:14:39Z",
    "title_canon_sha256": "0593a0c8a736ef201f00c63972520127f0136e70033bf36352eba7b67b260723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0411141",
    "kind": "arxiv",
    "version": 1
  }
}