Pith Number

pith:PXI3OSWB

pith:2004:PXI3OSWB773JW2Q3WWBMJS4RPU

not attested not anchored not stored refs pending

The XMM-Newton and BeppoSAX view of the Ultra Luminous Infrared Galaxy MKN 231

A. Franceschini, E. Piconcelli, G.G.C. Palumbo, G. Malaguti, G. Risaliti, K. Iwasawa, L. Bassani, M. Cappi, M. Persic, M. Salvati, P. Marziani, P. Severgnini, R. Della Ceca, V. Braito

arxiv:astro-ph/0402226 v1 · 2004-02-10 · 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{PXI3OSWB773JW2Q3WWBMJS4RPU}

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	2026-07-04T16:43:00.480611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dd1b74ac1fff69b6a1bb582c4cb917d203413c5da124dde79c43b2c5ad348b5

Aliases

arxiv: astro-ph/0402226 · arxiv_version: astro-ph/0402226v1 · doi: 10.48550/arxiv.astro-ph/0402226 · pith_short_12: PXI3OSWB773J · pith_short_16: PXI3OSWB773JW2Q3 · pith_short_8: PXI3OSWB

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/PXI3OSWB773JW2Q3WWBMJS4RPU \
  | 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: 7dd1b74ac1fff69b6a1bb582c4cb917d203413c5da124dde79c43b2c5ad348b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4535cc55658d3e4a093d2aa7c95855cb31fbe62c474f7417b0f3eeca899f70f8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-02-10T13:42:25Z",
    "title_canon_sha256": "a5971e61d2a6828fbad58943372ffd9ec54a5a87ecfb864603216a98703b41c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0402226",
    "kind": "arxiv",
    "version": 1
  }
}