Pith Number

pith:ANQBDXZS

pith:2003:ANQBDXZSHKCPNYIWAJ3VZ3JT2N

not attested not anchored not stored refs pending

XMM-Newton observation of the Seyfert 1 ESO 198-G24

D. Porquet, J. Dubau, J.S. Kaastra, K.L. Page, M.J. Ward, P.T. O'Brien

arxiv:astro-ph/0302413 v2 · 2003-02-20 · 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{ANQBDXZSHKCPNYIWAJ3VZ3JT2N}

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	2026-07-04T16:36:31.465551Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

036011df323a84f6e11602775ced33d368c38fcaafad54687fcfb30446ce7395

Aliases

arxiv: astro-ph/0302413 · arxiv_version: astro-ph/0302413v2 · doi: 10.48550/arxiv.astro-ph/0302413 · pith_short_12: ANQBDXZSHKCP · pith_short_16: ANQBDXZSHKCPNYIW · pith_short_8: ANQBDXZS

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/ANQBDXZSHKCPNYIWAJ3VZ3JT2N \
  | 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: 036011df323a84f6e11602775ced33d368c38fcaafad54687fcfb30446ce7395

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91e219ab8fc5fa291a83ce61973d5fe33b1383d5f0c0d8aec53205ee02778bbc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-02-20T11:01:34Z",
    "title_canon_sha256": "00971de4ff85d364f524e03b592e368cdf37ed5c75d00c345423fe348f621684"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0302413",
    "kind": "arxiv",
    "version": 2
  }
}