Pith Number

pith:Q5IPUTJY

pith:2002:Q5IPUTJYFMSOOLOEGQTLFBGAR4

not attested not anchored not stored refs pending

Strongly absorbed quiescent X-ray emission from the X-ray transient XTE J0421+56 (CI Cam) observed with XMM-Newton

2), (2) CESR, (3) ITSRE, (4) XMM-Newton SOC, A.N. Parmar (1), Bologna, D. Lumb (1), ESTEC, France, Itay, L. Boirin (1, M. Orlandini (3), Noordwijk, N. Schartel (4) ((1) ESA, Spain), The Netherlands, T. Oosterbroek (1), Toulouse, VILSPA

arxiv:astro-ph/0207546 v1 · 2002-07-25 · 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{Q5IPUTJYFMSOOLOEGQTLFBGAR4}

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	2026-07-04T16:30:26.629739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8750fa4d382b24e72dc43426b284c08f3bef59c88e353bd6d9c08d1115318ffc

Aliases

arxiv: astro-ph/0207546 · arxiv_version: astro-ph/0207546v1 · doi: 10.48550/arxiv.astro-ph/0207546 · pith_short_12: Q5IPUTJYFMSO · pith_short_16: Q5IPUTJYFMSOOLOE · pith_short_8: Q5IPUTJY

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/Q5IPUTJYFMSOOLOEGQTLFBGAR4 \
  | 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: 8750fa4d382b24e72dc43426b284c08f3bef59c88e353bd6d9c08d1115318ffc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "163ffed2e01b3e01e4c4922082636f64a3162fdc0171c8ef129d8ed79b0a5043",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-07-25T10:02:56Z",
    "title_canon_sha256": "9845408352e4108d9a0112cd76aa7914e3d8931dbdf3537c1e35864a2fcd3b8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0207546",
    "kind": "arxiv",
    "version": 1
  }
}