Pith Number

pith:GPU3O6FV

pith:1999:GPU3O6FVDVFSTM5XS5E64Q73HY

not attested not anchored not stored refs pending

ASCA Observations of Two Ultra-Luminous Compact X-Ray Sources in the Edge-on Spiral Galaxy NGC 4565

Aya Kubota, Kazuo Makishima, Makoto Tashiro, Tomohisa Ohnishi, Tsunefumi Mizuno

arxiv:astro-ph/9905277 v1 · 1999-05-21 · 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{GPU3O6FVDVFSTM5XS5E64Q73HY}

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	2026-05-18T01:40:13.116638Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33e9b778b51d4b29b3b79749ee43fb3e3a69b4cce2f816e0e0642db1ada32b74

Aliases

arxiv: astro-ph/9905277 · arxiv_version: astro-ph/9905277v1 · doi: 10.48550/arxiv.astro-ph/9905277 · pith_short_12: GPU3O6FVDVFS · pith_short_16: GPU3O6FVDVFSTM5X · pith_short_8: GPU3O6FV

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/GPU3O6FVDVFSTM5XS5E64Q73HY \
  | 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: 33e9b778b51d4b29b3b79749ee43fb3e3a69b4cce2f816e0e0642db1ada32b74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00f32c7dbc9a173293d273c81679e2a888166db1eb97de62625ee9f0d5d30b05",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-21T05:23:17Z",
    "title_canon_sha256": "d1190ba64190ba8d13ed47b61b21a9b81701451eb15a01ba41b6160ce0cd7ced"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905277",
    "kind": "arxiv",
    "version": 1
  }
}