Pith Number

pith:HJSIDH2G

pith:2002:HJSIDH2G4OQU6KQB2FHF4MCAAC

not attested not anchored not stored refs pending

Chandra X-Ray Spectroscopy and Imaging of the Galaxy Cluster PKS 0745-191

Amalia K. Hicks, Claude R.Canizares, John C. Houck, Michael W. Wise

arxiv:astro-ph/0210609 v1 · 2002-10-28 · 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{HJSIDH2G4OQU6KQB2FHF4MCAAC}

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	2026-05-18T01:07:43.037405Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a64819f46e3a14f2a01d14e5e3040009f2fd146552c8ba07c6c899cb18f4b09

Aliases

arxiv: astro-ph/0210609 · arxiv_version: astro-ph/0210609v1 · doi: 10.48550/arxiv.astro-ph/0210609 · pith_short_12: HJSIDH2G4OQU · pith_short_16: HJSIDH2G4OQU6KQB · pith_short_8: HJSIDH2G

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/HJSIDH2G4OQU6KQB2FHF4MCAAC \
  | 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: 3a64819f46e3a14f2a01d14e5e3040009f2fd146552c8ba07c6c899cb18f4b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef14566cd7b25b5c8d509c742db8af857a0ed4db0d979ebf75ca5338ed0a0674",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-10-28T21:23:16Z",
    "title_canon_sha256": "e7f5065e7ed059f1a97cb49dfe2f3d1b11fbd1c7f0f8c00abd306045a9fe4044"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0210609",
    "kind": "arxiv",
    "version": 1
  }
}