Pith Number

pith:AFAKYYKZ

pith:2005:AFAKYYKZY7NHW7IWZVCRSXWNRF

not attested not anchored not stored refs pending

XMM-Newton observations of the Lockman Hole IV: spectra of the brightest AGN

A. C. Fabian, A. Streblyanska, F. J. Carrera, G. Hasinger, I. Lehmann, M. T. Ceballos, S. Mateos, X. Barcons

arxiv:astro-ph/0506718 v1 · 2005-06-29 · 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{AFAKYYKZY7NHW7IWZVCRSXWNRF}

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

1 paper in Pith

The Lockman-SpReSO Project: A Deep X-ray Spectral View of a FIR-selected AGN Population

Receipt and verification

First computed	2026-07-04T16:52:41.975656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0140ac6159c7da7b7d16cd45195ecd897f839b2c82fde7066000230d246db047

Aliases

arxiv: astro-ph/0506718 · arxiv_version: astro-ph/0506718v1 · doi: 10.48550/arxiv.astro-ph/0506718 · pith_short_12: AFAKYYKZY7NH · pith_short_16: AFAKYYKZY7NHW7IW · pith_short_8: AFAKYYKZ

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/AFAKYYKZY7NHW7IWZVCRSXWNRF \
  | 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: 0140ac6159c7da7b7d16cd45195ecd897f839b2c82fde7066000230d246db047

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "810202a3027d8794dc78036f260b10238b5fcfac85f319f66a1d5d6bf257dc79",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-06-29T10:20:18Z",
    "title_canon_sha256": "447d61d196317fff23cf496f4c39f138161a6410053cde31b9458e6da966a140"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0506718",
    "kind": "arxiv",
    "version": 1
  }
}