Pith Number

pith:V54N4EAJ

pith:2016:V54N4EAJPHEVUTLTOBICYTUYH4

not attested not anchored not stored refs pending

A Radio Detection Survey of Narrow-Line Seyfert 1 Galaxies using Very-Long-Baseline Interferometry at 22 GHz

Akihiro Doi, Aya Yamauchi, Fumie Tazaki, Naoko Matsumoto, Syunsaku Suzuki, Tomoaki Oyama, Yusuke Kono

arxiv:1603.04593 v1 · 2016-03-15 · astro-ph.HE · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V54N4EAJPHEVUTLTOBICYTUYH4}

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	2026-05-18T01:13:54.149182Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af78de100979c95a4d7370502c4e983f03464712c36fb424770b8392725acf4d

Aliases

arxiv: 1603.04593 · arxiv_version: 1603.04593v1 · doi: 10.48550/arxiv.1603.04593 · pith_short_12: V54N4EAJPHEV · pith_short_16: V54N4EAJPHEVUTLT · pith_short_8: V54N4EAJ

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/V54N4EAJPHEVUTLTOBICYTUYH4 \
  | 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: af78de100979c95a4d7370502c4e983f03464712c36fb424770b8392725acf4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "396aa815438a92ff1b5d3d2c6ec7da96c752d81cbdcaed816262857f0475e5ff",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2016-03-15T08:47:32Z",
    "title_canon_sha256": "db57718cee2be21a02a229c2346ab576933be3e948c577347c4c3f3005ce1445"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04593",
    "kind": "arxiv",
    "version": 1
  }
}