Pith Number

pith:622LO7GK

pith:2011:622LO7GKMY4WFTXU2FNVOFFRAC

not attested not anchored not stored refs pending

X-ray spectroscopy of the Compton-thick Seyfert 2 ESO 138-G1

C. Vignali, E. Jimenez-Bailon, E. Piconcelli, F. Fiore, S. Bianchi

arxiv:1108.5898 v1 · 2011-08-30 · 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{622LO7GKMY4WFTXU2FNVOFFRAC}

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	2026-05-18T02:00:44.810211Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6b4b77cca663962cef4d15b5714b100b25053922643c5ad32ebccd8a02aafd4

Aliases

arxiv: 1108.5898 · arxiv_version: 1108.5898v1 · doi: 10.48550/arxiv.1108.5898 · pith_short_12: 622LO7GKMY4W · pith_short_16: 622LO7GKMY4WFTXU · pith_short_8: 622LO7GK

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/622LO7GKMY4WFTXU2FNVOFFRAC \
  | 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: f6b4b77cca663962cef4d15b5714b100b25053922643c5ad32ebccd8a02aafd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0b21dcefbd3e2383de376a67a15135d38454e727181cbfaf1bd5e0051e7c926",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-08-30T10:00:51Z",
    "title_canon_sha256": "28215c4a554d85a470352aea15b74f42f34e1ebe9cfc38096bc46120a377070e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5898",
    "kind": "arxiv",
    "version": 1
  }
}