Pith Number

pith:5WZ7UW6Z

pith:2002:5WZ7UW6ZWLKRYSG2IZTJ7RHVFC

not attested not anchored not stored refs pending

Challenges for Cluster Analysis in a Virtual Observatory

A. Mahabal, P. Stolorz, R. Brunner, R. Granat, R. Williams, S.G. Djorgovski

arxiv:astro-ph/0208246 v1 · 2002-08-12 · 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{5WZ7UW6ZWLKRYSG2IZTJ7RHVFC}

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	2026-07-04T14:12:09.834500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

edb3fa5bd9b2d51c48da46669fc4f5289f67e6174d963dc7eff3bb9e7de5e322

Aliases

arxiv: astro-ph/0208246 · arxiv_version: astro-ph/0208246v1 · doi: 10.48550/arxiv.astro-ph/0208246 · pith_short_12: 5WZ7UW6ZWLKR · pith_short_16: 5WZ7UW6ZWLKRYSG2 · pith_short_8: 5WZ7UW6Z

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/5WZ7UW6ZWLKRYSG2IZTJ7RHVFC \
  | 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: edb3fa5bd9b2d51c48da46669fc4f5289f67e6174d963dc7eff3bb9e7de5e322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bc5d3bcf5fb88f5d5929415ea21dd0a36ba25055948134c626777d6a159fcdc",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-08-12T22:58:00Z",
    "title_canon_sha256": "dcedd3162b3fc3a5137e832e51cbbcc265b90822ef24661a4b194c1821a466b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0208246",
    "kind": "arxiv",
    "version": 1
  }
}