Pith Number

pith:NDKYXT4E

pith:2002:NDKYXT4EK546EL7JC4GZGFTUK2

not attested not anchored not stored refs pending

XMM-Newton GT and AO-1 observations of SHARC galaxy clusters : RX J1120.1+4318 and RX J0256.5+0006

David Lumb (2), Doris M. Neumann (1) ((1) CEA/Saclay SAp, ESTEC, France; (2) ESA, Monique Arnaud (1), Noordwijk, Sebastien Majerowicz (1), the Netherlands)

arxiv:astro-ph/0202220 v1 · 2002-02-12 · 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{NDKYXT4EK546EL7JC4GZGFTUK2}

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	2026-07-04T14:11:53.987282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68d58bcf845779e22fe9170d931674568876d706ce34612ad5508f4ec7524ece

Aliases

arxiv: astro-ph/0202220 · arxiv_version: astro-ph/0202220v1 · doi: 10.48550/arxiv.astro-ph/0202220 · pith_short_12: NDKYXT4EK546 · pith_short_16: NDKYXT4EK546EL7J · pith_short_8: NDKYXT4E

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/NDKYXT4EK546EL7JC4GZGFTUK2 \
  | 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: 68d58bcf845779e22fe9170d931674568876d706ce34612ad5508f4ec7524ece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3770fa2c35c9685d5590152860b4e480a50579e4ffcfd648072782a3134d126",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-12T10:05:17Z",
    "title_canon_sha256": "e30a3622bdc66f8173444feb359a3a29ca21a99a61f2d62a01af1636eb88269a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202220",
    "kind": "arxiv",
    "version": 1
  }
}