Pith Number

pith:L7KVHNHX

pith:2007:L7KVHNHXCEAZR3UWWVSRMB5FVG

not attested not anchored not stored refs pending

Japanese VLBI Network observations of radio-loud narrow-line Seyfert 1 galaxies

Akihiro Doi, Asao Habe, Eiji Kawai, Hideyuki Kobayashi, Hiromitsu Kuboki, Hiroshi Nagai, Hiroshi Sudou, Hiroshi Takaba, Kazuhiro Takashima, Kazuo Sorai, Keiichiro Harada, Ken-ichi Wakamatsu, Kenta Fujisawa, Kiyoaki Wajima, Koji Takeda, Kousuke Suematsu, Makoto Inoue, Mareki Honma, Noriyuki Kawaguchi, Sayaka Tamura, Toshihiro Omodaka, Yasuhiro Koyama, Yasuhiro Murata

arxiv:0704.3836 v1 · 2007-04-29 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L7KVHNHXCEAZR3UWWVSRMB5FVG}

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	2026-05-18T02:16:31.321235Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5fd553b4f7110198ee96b5651607a5a9b00b90e08bb65c6b3147c54411785a17

Aliases

arxiv: 0704.3836 · arxiv_version: 0704.3836v1 · doi: 10.48550/arxiv.0704.3836 · pith_short_12: L7KVHNHXCEAZ · pith_short_16: L7KVHNHXCEAZR3UW · pith_short_8: L7KVHNHX

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/L7KVHNHXCEAZR3UWWVSRMB5FVG \
  | 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: 5fd553b4f7110198ee96b5651607a5a9b00b90e08bb65c6b3147c54411785a17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "337124b2ca3c87de10e86a6634cd02e4e553c72ef135ec756595b0028df25a5b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-04-29T10:07:29Z",
    "title_canon_sha256": "98bb28776f9b19067000abc3e58699a56606897671797d16c3f6fb9dc045540d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0704.3836",
    "kind": "arxiv",
    "version": 1
  }
}