Pith Number

pith:4KCTTD6S

pith:2009:4KCTTD6S6XCLYHKFSMTWGGV4WH

not attested not anchored not stored refs pending

VLBI Detections of Parsec-Scale Nonthermal Jets in Radio-Loud Broad Absorption Line Quasars

Akihiro Doi, Aya Yamauchi, Eiji Kawai, Hiroshi Sudou, Hiroshi Takaba, Hisao Uose, Kazuo Sorai, Ken-ichi Wakamatsu, Kenta Fujisawa, Kiyoaki Wajima, Mamoru Sekido, Nanako Mochizuki, Naomasa Nakai, Noriyuki Kawaguchi, Shoichiro Asano, Takumi Nagayama, the VLBI group at GSI, Tomoaki Oyama, Toshihiro Omodaka, Yasuhiro Koyama, Yasuhiro Murata, Yusuke Kono

arxiv:0910.5305 v1 · 2009-10-28 · astro-ph.CO · 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{4KCTTD6S6XCLYHKFSMTWGGV4WH}

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	2026-05-18T02:11:10.541321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e285398fd2f5c4bc1d459327631abcb1c2a6ac0dfda9da01aca9f429d6e23715

Aliases

arxiv: 0910.5305 · arxiv_version: 0910.5305v1 · doi: 10.48550/arxiv.0910.5305 · pith_short_12: 4KCTTD6S6XCL · pith_short_16: 4KCTTD6S6XCLYHKF · pith_short_8: 4KCTTD6S

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/4KCTTD6S6XCLYHKFSMTWGGV4WH \
  | 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: e285398fd2f5c4bc1d459327631abcb1c2a6ac0dfda9da01aca9f429d6e23715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1bb22297975836539463704e791034deda137b4d89b7e18e1239bc84c3bd03e",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-28T08:28:49Z",
    "title_canon_sha256": "1a3ead9a6b0445645cb590a854de3b3f9027cfa87b87685539e531e77970763a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.5305",
    "kind": "arxiv",
    "version": 1
  }
}