Pith Number

pith:36L2AJ4X

pith:2002:36L2AJ4XP7GZGNJSQBYMTHI3O5

not attested not anchored not stored refs pending

BL Lac Identification for the Ultraluminous X-ray Source Observed in the Direction of NGC 4698

E. Palazzi, F. Gianotti, G. Di Cocco, G. Malaguti, J.B. Stephen, L. Bassani, L.C. Ho, L. Foschini, M. Cappi, M. Dadina, M. Trifoglio, N. Masetti, P. Martini, S. Ravindranath

arxiv:astro-ph/0209500 v1 · 2002-09-24 · 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{36L2AJ4XP7GZGNJSQBYMTHI3O5}

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	2026-07-04T16:30:50.728160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df97a027977fcd9335328070c99d1b7774bf9b49385942fbf60fe1532a2640dd

Aliases

arxiv: astro-ph/0209500 · arxiv_version: astro-ph/0209500v1 · doi: 10.48550/arxiv.astro-ph/0209500 · pith_short_12: 36L2AJ4XP7GZ · pith_short_16: 36L2AJ4XP7GZGNJS · pith_short_8: 36L2AJ4X

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/36L2AJ4XP7GZGNJSQBYMTHI3O5 \
  | 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: df97a027977fcd9335328070c99d1b7774bf9b49385942fbf60fe1532a2640dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca9954b953b8e10c0bcb3ec82cbb7e39c8b3cafa143400901397f4b27ab5950c",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-24T16:23:13Z",
    "title_canon_sha256": "d90e58a98536c8de4cc737619078a03f1299b23cda7d7e4d61192b92b6ec0f5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209500",
    "kind": "arxiv",
    "version": 1
  }
}