Pith Number

pith:B3ZQI66D

pith:2002:B3ZQI66DLZXJ5O3KW2PSR3YAZI

not attested not anchored not stored refs pending

The BeppoSAX spectrum of the composite galaxy Mrk609

A.L. Zezas, A. Pappa, I. Georgantopoulos, M. Ward

arxiv:astro-ph/0204514 v1 · 2002-04-30 · 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{B3ZQI66DLZXJ5O3KW2PSR3YAZI}

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	2026-05-18T01:07:44.896221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ef3047bc35e6e9ebb6ab69f28ef00ca0b58ca4a9c6ec82161290ebdbc9fb0ec

Aliases

arxiv: astro-ph/0204514 · arxiv_version: astro-ph/0204514v1 · doi: 10.48550/arxiv.astro-ph/0204514 · pith_short_12: B3ZQI66DLZXJ · pith_short_16: B3ZQI66DLZXJ5O3K · pith_short_8: B3ZQI66D

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/B3ZQI66DLZXJ5O3KW2PSR3YAZI \
  | 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: 0ef3047bc35e6e9ebb6ab69f28ef00ca0b58ca4a9c6ec82161290ebdbc9fb0ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92c388f17f99fdc9a739b2162080c446557c97c827faa9af783143c1446bc4c1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-04-30T12:17:53Z",
    "title_canon_sha256": "01aaa2641d6a372446e246d46d64d2fa2219c43a17902d3859f229d4ff82979d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0204514",
    "kind": "arxiv",
    "version": 1
  }
}