Pith Number

pith:5HFYJFRY

pith:2007:5HFYJFRYQBM6H6OAISKKSYDKIP

not attested not anchored not stored refs pending

Automated supervised classification of variable stars I. Methodology

B. Vandenbussche, C. Aerts, E. Solano, J. Cuypers, J. Debosscher, L. M. Sarro, R. Garrido

arxiv:0711.0703 v1 · 2007-11-05 · 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{5HFYJFRYQBM6H6OAISKKSYDKIP}

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	2026-07-04T17:06:31.912700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9cb8496388059e3f9c04494a9606a43db728f9dc42909f075d19ac2de948c9c

Aliases

arxiv: 0711.0703 · arxiv_version: 0711.0703v1 · doi: 10.48550/arxiv.0711.0703 · pith_short_12: 5HFYJFRYQBM6 · pith_short_16: 5HFYJFRYQBM6H6OA · pith_short_8: 5HFYJFRY

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/5HFYJFRYQBM6H6OAISKKSYDKIP \
  | 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: e9cb8496388059e3f9c04494a9606a43db728f9dc42909f075d19ac2de948c9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9fc3182c69906451f56bd39ee2b3b6ed158e34061dcada0e92abcc7fbe4f48d",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-11-05T17:41:26Z",
    "title_canon_sha256": "698f3b195678e2d22cdfb067ee3ad6ff415ba25d912bd26c2ca0852ff9ce9a81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0711.0703",
    "kind": "arxiv",
    "version": 1
  }
}