Pith Number

pith:PVFZX4ZQ

pith:2013:PVFZX4ZQPEYV5JL42RZKTBIILR

not attested not anchored not stored refs pending

Basic properties of Narrow-Line Seyfert 1 Galaxies with Relativistic Jets

A. Caccianiga, A. Lahteenmaki, B. M. Peterson, D. Grupe, E. Angelakis, F. Tavecchio, G. Bonnoli, G. Ghirlanda, G. Ghisellini, G. Tagliaferri, J. Tammi, K. Mannheim, L. Foschini, L. Fuhrmann, L. Gallo, L. Maraschi, M. L. Lister, M. Tornikoski, O. Tibolla, P. Romano, P. Severgnini, S. Kaufmann, S. Komossa, S. Mathur, S. Vercellone, T. Hamilton, V. Braito, Y. Y. Kovalev

arxiv:1301.0756 v2 · 2013-01-04 · 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{PVFZX4ZQPEYV5JL42RZKTBIILR}

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	2026-05-18T03:09:50.492272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d4b9bf33079315ea57cd472a985085c758a5ae6d9575f1d599d220f0148b9ef

Aliases

arxiv: 1301.0756 · arxiv_version: 1301.0756v2 · doi: 10.48550/arxiv.1301.0756 · pith_short_12: PVFZX4ZQPEYV · pith_short_16: PVFZX4ZQPEYV5JL4 · pith_short_8: PVFZX4ZQ

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/PVFZX4ZQPEYV5JL42RZKTBIILR \
  | 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: 7d4b9bf33079315ea57cd472a985085c758a5ae6d9575f1d599d220f0148b9ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09fad59486e657019538c37f987e975e44a046a045d87bcfc94dde6e13e1216d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-01-04T16:05:00Z",
    "title_canon_sha256": "b3f52c7ceec5f5c92b53253ed732beae9e6fa2fb07b690c09507a46c50182615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0756",
    "kind": "arxiv",
    "version": 2
  }
}