Pith Number

pith:7OJJSBBA

pith:2002:7OJJSBBAXAQ3ZVUBX6OV57BFO2

not attested not anchored not stored refs pending

Discovery of a binary AGN in the ultraluminous infrared galaxy NGC 6240 using Chandra

Guenther Hasinger, Jelle S. Kaastra, Peter Predehl, Stefanie Komossa, Vadim Burwitz, Yasushi Ikebe

arxiv:astro-ph/0212099 v1 · 2002-12-04 · 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{7OJJSBBAXAQ3ZVUBX6OV57BFO2}

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.

Cited by

2 papers in Pith

Dual AGN and Multiple SMBH Systems in the Era of SKAO

Exploring the physics of ram pressure stripping with radio continuum observations in the SKA era

Receipt and verification

First computed	2026-07-04T16:31:21.336784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb92990420b821bcd681bf9d5efc25768271ada3833479e6e0b67e89abbcfee5

Aliases

arxiv: astro-ph/0212099 · arxiv_version: astro-ph/0212099v1 · doi: 10.48550/arxiv.astro-ph/0212099 · pith_short_12: 7OJJSBBAXAQ3 · pith_short_16: 7OJJSBBAXAQ3ZVUB · pith_short_8: 7OJJSBBA

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/7OJJSBBAXAQ3ZVUBX6OV57BFO2 \
  | 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: fb92990420b821bcd681bf9d5efc25768271ada3833479e6e0b67e89abbcfee5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8ccb097c0f493d59f69de2437f7f7a1bb8738770486bad512217d2f71243183",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-12-04T14:55:13Z",
    "title_canon_sha256": "2c10901b6e34955d2b970c4579ca70793b7f44f4c580b1300b5acb9c4cc507a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0212099",
    "kind": "arxiv",
    "version": 1
  }
}