Pith Number

pith:Y3YZDP4C

pith:2009:Y3YZDP4COPWKJRYSH5COKIFK6G

not attested not anchored not stored refs pending

The Palermo Swift-BAT Hard X-ray Catalogue. II- Results after 39 months of sky survey

A. Maselli, A. Moretti, A. Segreto, B. Sbarufatti, C. Ferrigno, G. Chincarini, G. Cusumano, G. Tagliaferri, N. Masetti, P. Giommi, P. Romano, S. Campana, T. Mineo, V. La Parola, V. Mangano

arxiv:0906.4788 v1 · 2009-06-25 · 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{Y3YZDP4COPWKJRYSH5COKIFK6G}

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	2026-05-18T02:13:12.639420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6f191bf8273eca4c7123f44e520aaf1a0c6a699c0dad3829f61472e932d2e56

Aliases

arxiv: 0906.4788 · arxiv_version: 0906.4788v1 · doi: 10.48550/arxiv.0906.4788 · pith_short_12: Y3YZDP4COPWK · pith_short_16: Y3YZDP4COPWKJRYS · pith_short_8: Y3YZDP4C

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/Y3YZDP4COPWKJRYSH5COKIFK6G \
  | 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: c6f191bf8273eca4c7123f44e520aaf1a0c6a699c0dad3829f61472e932d2e56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c233eb87035b4ed585e47b4d3881db3286838cd25187c4573fb7fb81982435c2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-06-25T20:01:43Z",
    "title_canon_sha256": "9d4308fa85c30b70a9d3989d30d25ca1c032f1ade9671289aa55109562f9bc72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4788",
    "kind": "arxiv",
    "version": 1
  }
}