Pith Number

pith:I6IKP6OW

pith:2003:I6IKP6OW3CTPJ4ZWJKLXZE4VKO

not attested not anchored not stored refs pending

XMM-Newton Survey of a Distance-limited Sample of Seyfert Galaxies: Preliminary Spectral Results

A. Comastri, A.V.Filippenko, E. Caroli, E.Piconcelli, F. Gianotti, F.Panessa, G.Di Cocco, G.G.C.Palumbo, G.Malaguti, G.Zamorani, J.S.Mulchaey, J.Stephen, K.Makishima, K.Weaver, L. Bassani, L.C.Ho, L. Foschini, M.Cappi, M. Dadina, M.Trifoglio, R.Della Ceca, W.L.W.Sargent

arxiv:astro-ph/0303367 v1 · 2003-03-17 · 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{I6IKP6OW3CTPJ4ZWJKLXZE4VKO}

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	2026-07-04T14:12:38.995713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4790a7f9d6d8a6f4f3364a977c93955394980c9bd550c31001dd40d749547fba

Aliases

arxiv: astro-ph/0303367 · arxiv_version: astro-ph/0303367v1 · doi: 10.48550/arxiv.astro-ph/0303367 · pith_short_12: I6IKP6OW3CTP · pith_short_16: I6IKP6OW3CTPJ4ZW · pith_short_8: I6IKP6OW

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/I6IKP6OW3CTPJ4ZWJKLXZE4VKO \
  | 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: 4790a7f9d6d8a6f4f3364a977c93955394980c9bd550c31001dd40d749547fba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "843cbd39a0148aff5821ccd33809299488b4b85a232417da7c3efdbcdd3de561",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-03-17T11:24:58Z",
    "title_canon_sha256": "c7b5f5b8a742c12de5146d6542be6de584619a85191e4e469436521b6728c3d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0303367",
    "kind": "arxiv",
    "version": 1
  }
}