Pith Number

pith:QINKK5GQ

pith:2002:QINKK5GQTMKLWWMLNEUKRIGZLR

not attested not anchored not stored refs pending

BeppoSAX observations of LINER-2 galaxies

A. Akylas (National Observatory of Athens), A. Comastri (Bologna Observatory), A. Zezas (Harvard-Smithsonian CfA), F. Panessa (University of Bologna), I. Georgantopoulos (National Observatory of Athens), M. Cappi (CNR Bologna)

arxiv:astro-ph/0202189 v1 · 2002-02-08 · 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{QINKK5GQTMKLWWMLNEUKRIGZLR}

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	2026-05-18T01:07:45.092375Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

821aa574d09b14bb598b6928a8a0d95c749d8edb5ac92ff337dd2cd108fbc07c

Aliases

arxiv: astro-ph/0202189 · arxiv_version: astro-ph/0202189v1 · doi: 10.48550/arxiv.astro-ph/0202189 · pith_short_12: QINKK5GQTMKL · pith_short_16: QINKK5GQTMKLWWML · pith_short_8: QINKK5GQ

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/QINKK5GQTMKLWWMLNEUKRIGZLR \
  | 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: 821aa574d09b14bb598b6928a8a0d95c749d8edb5ac92ff337dd2cd108fbc07c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31299c6e2448b498de469a978d2ee4f50fe1d020af5ba57027d29b552306444b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-02-08T23:56:54Z",
    "title_canon_sha256": "7b9944a60f8361ab2088b2c903032604125234deb101be0c571e0003fa2f1af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0202189",
    "kind": "arxiv",
    "version": 1
  }
}