Pith Number

pith:MHLIZUW3

pith:2018:MHLIZUW3BZ7UIZHLKXEI4DLJS7

not attested not anchored not stored refs pending

Narrow Line Seyfert 1s in the IBISCO sample

Angela Malizia (INAF/OAS Bologna, Chiara Feruglio (INAF/OATs Trieste, Fabrizio Fiore (INAF/OATs Trieste, Italy), Manuela Molina (INAF/OAS Bologna

arxiv:1807.05712 v1 · 2018-07-16 · 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{MHLIZUW3BZ7UIZHLKXEI4DLJS7}

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	2026-05-18T00:10:42.811458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61d68cd2db0e7f4464eb55c88e0d6997e7972e8608e4bb80e983891a23d73da8

Aliases

arxiv: 1807.05712 · arxiv_version: 1807.05712v1 · doi: 10.48550/arxiv.1807.05712 · pith_short_12: MHLIZUW3BZ7U · pith_short_16: MHLIZUW3BZ7UIZHL · pith_short_8: MHLIZUW3

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/MHLIZUW3BZ7UIZHLKXEI4DLJS7 \
  | 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: 61d68cd2db0e7f4464eb55c88e0d6997e7972e8608e4bb80e983891a23d73da8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bf16d355ee1bf7f1f5efd23676b2f76c820ea6801e8c31028d557227f8ea87f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2018-07-16T08:00:01Z",
    "title_canon_sha256": "c0deed44575eb8fd43f6478f4b6644e89f213e057adbd6ddb35d0f3dc063121d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.05712",
    "kind": "arxiv",
    "version": 1
  }
}