Pith Number

pith:SB3DWBI6

pith:2016:SB3DWBI6SDLU7XJUSDISWZAJZU

not attested not anchored not stored refs pending

The weak neutral Fe fluorescence line and long-term X-ray evolution of the Compton-thick AGN in NGC 7674

A. Annuar, A. Comastri, A. Del Moro, A. Masini, C.J. Hailey, C. Ricci, D.J. Walton, D.M. Alexander, D. Stern, E. Rivers, F.A. Harrison, F.E. Bauer, F.E. Christensen, G.B. Lansbury, G. Malaguti, G. Matt, I. Lamperti, M. Brightman, M. Elvis, M. Guainazzi, M. Koss, P. Gandhi (Southampton), P.G. Boorman, S. Bianchi, S.E. Boggs, S. Puccetti, W.N. Brandt, W.W. Craig, W.W. Zhang

arxiv:1605.08041 v2 · 2016-05-25 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SB3DWBI6SDLU7XJUSDISWZAJZU}

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	2026-05-18T00:42:22.036001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90763b051e90d74fdd3490d12b6409cd34789aa7fe283d72efb6b77499e12cb7

Aliases

arxiv: 1605.08041 · arxiv_version: 1605.08041v2 · doi: 10.48550/arxiv.1605.08041 · pith_short_12: SB3DWBI6SDLU · pith_short_16: SB3DWBI6SDLU7XJU · pith_short_8: SB3DWBI6

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/SB3DWBI6SDLU7XJUSDISWZAJZU \
  | 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: 90763b051e90d74fdd3490d12b6409cd34789aa7fe283d72efb6b77499e12cb7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21b73d6600dc93f3462fa47f6a39e039491ec926c6b7d0a4ae6d088fafec24b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-05-25T20:00:01Z",
    "title_canon_sha256": "0bfd7429a7aa48aefa29b085ed76ed57dc7e3d7334b5000fbdbd30521e135369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08041",
    "kind": "arxiv",
    "version": 2
  }
}