Pith Number

pith:PFXLHWYN

pith:2002:PFXLHWYNMNZAM4L5FSPR3TCDAR

not attested not anchored not stored refs pending

The WSO, a world-class observatory for the ultraviolet

A.I. Gomez de Castro, A. Moisheev, B. Shustov, E.N. Ribak, F-Z. Cheng, H. Becker-Ross, H. Haubold, I. Pagano, J.-E. Solheim, J. Sahade, K.A. van der Hucht, K. Werner, L. Binette, M.A. Barstow (University of Leicester), M. Dennefeld, N. Brosch, N. Kappelmann, P. Martinez, S. Florek, W. Wamsteker

arxiv:astro-ph/0209333 v1 · 2002-09-17 · 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{PFXLHWYNMNZAM4L5FSPR3TCDAR}

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	2026-07-04T16:30:47.950932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

796eb3db0d637206717d2c9f1dcc43047fd089725e74a00bba665dff576b95ea

Aliases

arxiv: astro-ph/0209333 · arxiv_version: astro-ph/0209333v1 · doi: 10.48550/arxiv.astro-ph/0209333 · pith_short_12: PFXLHWYNMNZA · pith_short_16: PFXLHWYNMNZAM4L5 · pith_short_8: PFXLHWYN

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/PFXLHWYNMNZAM4L5FSPR3TCDAR \
  | 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: 796eb3db0d637206717d2c9f1dcc43047fd089725e74a00bba665dff576b95ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "181bba21df42dd82e6ebf5578409185260c9e1d5a17aed55d8ae98ca214ddc82",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-17T15:01:52Z",
    "title_canon_sha256": "60b9b51bf58689f74f3343333e5dabaf21fda9001586728eda41f8802c80cb78"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209333",
    "kind": "arxiv",
    "version": 1
  }
}