Pith Number

pith:EMWXSS6J

pith:2012:EMWXSS6JUGXFXSGHZHM6A6D2ZD

not attested not anchored not stored refs pending

The Suzaku X-ray spectrum of NGC 3147. Further insights on the best "true" Seyfert 2 galaxy candidate

F. Panessa, G. Matt, M. Guainazzi, S. Bianchi, X. Barcons

arxiv:1204.0946 v1 · 2012-04-04 · 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{EMWXSS6JUGXFXSGHZHM6A6D2ZD}

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	2026-05-18T01:57:57.150830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

232d794bc9a1ae5bc8c7c9d9e0787ac8e9e126b324d14ad0b17752a04bc8489f

Aliases

arxiv: 1204.0946 · arxiv_version: 1204.0946v1 · doi: 10.48550/arxiv.1204.0946 · pith_short_12: EMWXSS6JUGXF · pith_short_16: EMWXSS6JUGXFXSGH · pith_short_8: EMWXSS6J

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/EMWXSS6JUGXFXSGHZHM6A6D2ZD \
  | 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: 232d794bc9a1ae5bc8c7c9d9e0787ac8e9e126b324d14ad0b17752a04bc8489f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d3bb9fc634e50d5263ab95c9baf1547a78475a17c2ace9df7614d580bd4f47",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-04-04T13:28:45Z",
    "title_canon_sha256": "8fdd998745d7fe53bfecf8017bf74601d0d3e038d7dd56cbd2babfdd349da177"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0946",
    "kind": "arxiv",
    "version": 1
  }
}