Pith Number

pith:AMCALIXZ

pith:1998:AMCALIXZIOUDOW3ELAPQ6D2YFC

not attested not anchored not stored refs pending

Discovery of X-ray emission rom the distant lensing cluster of galaxies CL2236-04 at z = 0.552

H.Boehringer, H.Matuzawa, Japan), J.-P. Kneib, K.Morikawa, K.Watanabe, K.Yamashita, M.Hattori (Astronomical Institute, Sendai, T.G.Tsuru, Touhoku University

arxiv:astro-ph/9803092 v1 · 1998-03-09 · 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{AMCALIXZIOUDOW3ELAPQ6D2YFC}

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	2026-07-04T16:06:13.294902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

030405a2f943a8375b64581f0f0f58288803cb279394e2d56fac9ca53d3009a5

Aliases

arxiv: astro-ph/9803092 · arxiv_version: astro-ph/9803092v1 · doi: 10.48550/arxiv.astro-ph/9803092 · pith_short_12: AMCALIXZIOUD · pith_short_16: AMCALIXZIOUDOW3E · pith_short_8: AMCALIXZ

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/AMCALIXZIOUDOW3ELAPQ6D2YFC \
  | 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: 030405a2f943a8375b64581f0f0f58288803cb279394e2d56fac9ca53d3009a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "925a5cae3663c09c45d583a8b6a66da89a3228a5d32a6880b17144d08be7a11f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1998-03-09T18:42:15Z",
    "title_canon_sha256": "4b72a1f6e4bb6ffe2b8d12eba2cb35804d9b1eabddc85a287678e8dcc39b1b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9803092",
    "kind": "arxiv",
    "version": 1
  }
}