Pith Number

pith:GTNAEU5N

pith:1999:GTNAEU5NXADAZMGRXPW554NBGZ

not attested not anchored not stored refs pending

The Compact UV Nucleus of M33

G. Dubus, K.S. Long, P.A. Charles

arxiv:astro-ph/9905085 v1 · 1999-05-07 · 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{GTNAEU5NXADAZMGRXPW554NBGZ}

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	2026-07-04T16:11:11.381127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34da0253adb8060cb0d1bbeddef1a13654a02ad19c5c9cb4d38f4d9ec296714d

Aliases

arxiv: astro-ph/9905085 · arxiv_version: astro-ph/9905085v1 · doi: 10.48550/arxiv.astro-ph/9905085 · pith_short_12: GTNAEU5NXADA · pith_short_16: GTNAEU5NXADAZMGR · pith_short_8: GTNAEU5N

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/GTNAEU5NXADAZMGRXPW554NBGZ \
  | 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: 34da0253adb8060cb0d1bbeddef1a13654a02ad19c5c9cb4d38f4d9ec296714d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c710750f91d8a31094486c2d6f016f01e96546808fc90c6fac3c7010fe91e332",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-05-07T10:32:12Z",
    "title_canon_sha256": "7d9cf4920aa91bd76ce0851247869e0b00decfa35d1e6936b97bd060dffc944d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9905085",
    "kind": "arxiv",
    "version": 1
  }
}