Pith Number

pith:GDJSS5EV

pith:2000:GDJSS5EVU4KRK7RLDF2HP3PU4Q

not attested not anchored not stored refs pending

High-Resolution Near-Infrared Imaging of the Powerful Radio Galaxy 3C 324 at z = 1.21 with the Subaru Telescope

Chris Simpson, Fumihide Iwamuro, George Kosugi, Hirohisa Tanabe, Hiroshi Terada, Ichi Tanaka (Tohoku University), Katsumi Imi (National Astronomical Observatory), Kentaro Motohara, Koji Omata, Masanori Iye, Masaru Kajisawa, Masatoshi Imanishi, Michitoshi Yoshida, Miwa Goto, Ryuji Hata (Kyoto University), Tomonori Usuda, Tomoyuki Taguchi, Toru Yamada, Toshinori Maihara, Toshiyuki Sasaki, Yoshihiro Chikada

arxiv:astro-ph/0002390 v1 · 2000-02-21 · 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{GDJSS5EVU4KRK7RLDF2HP3PU4Q}

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	2026-05-18T01:40:48.273125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30d3297495a715157e2b197477edf4e4259cdc88479ffae425ab271dd148c828

Aliases

arxiv: astro-ph/0002390 · arxiv_version: astro-ph/0002390v1 · doi: 10.48550/arxiv.astro-ph/0002390 · pith_short_12: GDJSS5EVU4KR · pith_short_16: GDJSS5EVU4KRK7RL · pith_short_8: GDJSS5EV

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/GDJSS5EVU4KRK7RLDF2HP3PU4Q \
  | 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: 30d3297495a715157e2b197477edf4e4259cdc88479ffae425ab271dd148c828

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28e8b35cb5de00b9e0b50ac3599ee05b531d3e931e9984fd9dc259edd1a56aaf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-02-21T06:44:56Z",
    "title_canon_sha256": "fa23d8d81ff9608e91684e843c7258148739a63eb5e393a9803cc119e9ceb982"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0002390",
    "kind": "arxiv",
    "version": 1
  }
}