Pith Number

pith:BJ5ZKVWA

pith:2009:BJ5ZKVWAXWOEJZ7TM6OZYQQJME

not attested not anchored not stored refs pending

Suzaku Observation Adjacent to the South End of the Radio Arc

Katsuji Koyama, Ryosuke Fukuoka, Syukyo G. Ryu, Takeshi Go Tsuru

arxiv:0903.1906 v1 · 2009-03-11 · 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{BJ5ZKVWAXWOEJZ7TM6OZYQQJME}

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	2026-05-18T02:14:36.025311Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a7b9556c0bd9c44e7f3679d9c4209612605f67300662efaa1b8ce389a2391fc

Aliases

arxiv: 0903.1906 · arxiv_version: 0903.1906v1 · doi: 10.48550/arxiv.0903.1906 · pith_short_12: BJ5ZKVWAXWOE · pith_short_16: BJ5ZKVWAXWOEJZ7T · pith_short_8: BJ5ZKVWA

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/BJ5ZKVWAXWOEJZ7TM6OZYQQJME \
  | 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: 0a7b9556c0bd9c44e7f3679d9c4209612605f67300662efaa1b8ce389a2391fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e519899420a8558028f87f8c2486e892f9b3beefc9915204992e0c02ce53ae65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-11T09:04:41Z",
    "title_canon_sha256": "f070e4aa0f9d7d89b79e57e78e6167d009b0ddb3d1e62e78383a6d9c1dcfed95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1906",
    "kind": "arxiv",
    "version": 1
  }
}