Pith Number

pith:7CQEZ3JV

pith:2017:7CQEZ3JVFEEQBH42AGCNYFL3YY

not attested not anchored not stored refs pending

The NuSTAR view of the true Type 2 Seyfert NGC3147

Andrea Marinucci, Fabio La Franca, Francesca Panessa, Francisco J. Carrera, Giorgio Matt, Loredana Bassani, Riccardo Middei, Stefano Bianchi, Xavier Barcons

arxiv:1703.04586 v1 · 2017-03-14 · astro-ph.GA · astro-ph.CO · 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{7CQEZ3JVFEEQBH42AGCNYFL3YY}

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	2026-05-18T00:45:11.291791Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8a04ced352909009f9a0184dc157bc6166c9d21011853db161532997f06cf13

Aliases

arxiv: 1703.04586 · arxiv_version: 1703.04586v1 · doi: 10.48550/arxiv.1703.04586 · pith_short_12: 7CQEZ3JVFEEQ · pith_short_16: 7CQEZ3JVFEEQBH42 · pith_short_8: 7CQEZ3JV

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/7CQEZ3JVFEEQBH42AGCNYFL3YY \
  | 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: f8a04ced352909009f9a0184dc157bc6166c9d21011853db161532997f06cf13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bfcba3b3675dcc3452c5d45f62ac19853f86c4951bb7ede5c21aa47edb0fbcc",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-03-14T17:14:04Z",
    "title_canon_sha256": "dec229b838f1c02c74725d8832c9d73f12f93205232acb955357a089bd1c0eee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04586",
    "kind": "arxiv",
    "version": 1
  }
}