Pith Number

pith:NWSKS42E

pith:2004:NWSKS42EJCTGXPBL2YT2QPSGDA

not attested not anchored not stored refs pending

XMM-Newton study of the lensing cluster of galaxies CL0024+17

G. Soucail, H. Boehringer, W. Forman, Y. Mellier, Y.-Y. Zhang

arxiv:astro-ph/0408545 v2 · 2004-08-30 · 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{NWSKS42EJCTGXPBL2YT2QPSGDA}

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	2026-07-04T14:13:43.223099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6da4a9734448a66bbc2bd627a83e461816239a65fb49e833765ca25a4deab092

Aliases

arxiv: astro-ph/0408545 · arxiv_version: astro-ph/0408545v2 · doi: 10.48550/arxiv.astro-ph/0408545 · pith_short_12: NWSKS42EJCTG · pith_short_16: NWSKS42EJCTGXPBL · pith_short_8: NWSKS42E

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/NWSKS42EJCTGXPBL2YT2QPSGDA \
  | 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: 6da4a9734448a66bbc2bd627a83e461816239a65fb49e833765ca25a4deab092

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4bba44e0cfc28147cea6d5db298d4b5e9035d8d6ac6ae26d8aa38daad0af920d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-08-30T11:45:40Z",
    "title_canon_sha256": "6af210322d1f26f0147d33289eee9f9d13bd9a001aa59295be9a86292d2f8d5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0408545",
    "kind": "arxiv",
    "version": 2
  }
}