Pith Number

pith:WGK33YIU

pith:2017:WGK33YIUXLLUY66M3DENIBHSIV

not attested not anchored not stored refs pending

X-ray spectral properties of seven heavily obscured Seyfert 2 galaxies

Alberto Segreto, Andrea Comastri, Giancarlo Cusumano, Marco Ajello, Stefano Marchesi, Valentina La Parola

arxiv:1701.03938 v1 · 2017-01-14 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGK33YIUXLLUY66M3DENIBHSIV}

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	2026-05-18T00:50:17.226635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b195bde114bad74c7bccd8c8d404f2454382ef6dfd64234b151e7144381448f5

Aliases

arxiv: 1701.03938 · arxiv_version: 1701.03938v1 · doi: 10.48550/arxiv.1701.03938 · pith_short_12: WGK33YIUXLLU · pith_short_16: WGK33YIUXLLUY66M · pith_short_8: WGK33YIU

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/WGK33YIUXLLUY66M3DENIBHSIV \
  | 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: b195bde114bad74c7bccd8c8d404f2454382ef6dfd64234b151e7144381448f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb4f4725f7ebeb12b15f139549704d987c4881381f41b5673f4536b2a5bb68b0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2017-01-14T16:09:58Z",
    "title_canon_sha256": "369175f873e361457d2efb4978523f647b2a5fd2633210b3fc69ef33791077d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.03938",
    "kind": "arxiv",
    "version": 1
  }
}