Pith Number

pith:NJLF2QU5

pith:2018:NJLF2QU54CIIXOUHWRPKTKFJQG

not attested not anchored not stored refs pending

Radio-emitting narrow-line Seyfert 1 galaxies in the JVLA perspective

A. Caccianiga, A. L\"ahteenm\"aki, A. Tarchi, E. Congiu, E. J\"arvel\"a, G. La Mura, J.L. Richards, L. Foschini, M. Berton, M. Frezzato, M. L. Lister, P. Kharb, P. Rafanelli, R. Antonucci, S. Chen, S. Ciroi, V. Cracco

arxiv:1801.03519 v2 · 2018-01-10 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJLF2QU54CIIXOUHWRPKTKFJQG}

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	2026-05-18T00:12:53.558877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a565d429de0908bba87b45ea9a8a981888ae1a556b1d1b92cc6e165db160065

Aliases

arxiv: 1801.03519 · arxiv_version: 1801.03519v2 · doi: 10.48550/arxiv.1801.03519 · pith_short_12: NJLF2QU54CII · pith_short_16: NJLF2QU54CIIXOUH · pith_short_8: NJLF2QU5

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/NJLF2QU54CIIXOUHWRPKTKFJQG \
  | 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: 6a565d429de0908bba87b45ea9a8a981888ae1a556b1d1b92cc6e165db160065

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70c2b9523d1650ea31f1ae5f29be96108dbb3a96befe9770c3799f6d6200cae4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-10T19:16:35Z",
    "title_canon_sha256": "1bc10d031d92f2f762da202757f668cb896b450426b9eca710742186312ee6cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03519",
    "kind": "arxiv",
    "version": 2
  }
}