Pith Number

pith:SUXMQZ4I

pith:1999:SUXMQZ4IYLS3UBZIXWUAHFJVNU

not attested not anchored not stored refs pending

ASCA Observation of the Low-Luminosity Seyfert 1.5 Galaxy NGC 5033

H. Kunieda, K. Misaki (Nagoya Univ.), Y. Terashima (NASA/GSFC)

arxiv:astro-ph/9905220 v1 · 1999-05-17 · 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{SUXMQZ4IYLS3UBZIXWUAHFJVNU}

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	2026-05-18T01:40:13.142613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

952ec86788c2e5ba0728bda80395356d080bf0473617d7a276e61bd74968b411

Aliases

arxiv: astro-ph/9905220 · arxiv_version: astro-ph/9905220v1 · doi: 10.48550/arxiv.astro-ph/9905220 · pith_short_12: SUXMQZ4IYLS3 · pith_short_16: SUXMQZ4IYLS3UBZI · pith_short_8: SUXMQZ4I

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/SUXMQZ4IYLS3UBZIXWUAHFJVNU \
  | 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: 952ec86788c2e5ba0728bda80395356d080bf0473617d7a276e61bd74968b411

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db69e6308da660515f745b555e0df8173187d4a09c6c1f647cba1e25cbca549d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-17T19:20:08Z",
    "title_canon_sha256": "c34d0ae446a1180e38df8107845e4d7745fb95bb65f0754c4dc7b57e9c05eb8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905220",
    "kind": "arxiv",
    "version": 1
  }
}