Pith Number

pith:GPILDKUW

pith:2011:GPILDKUWUB3XIBH3HPY6BWGO4E

not attested not anchored not stored refs pending

Hipparcos Variable Star Detection and Classification Efficiency

A. Jan, I. Lecoeur-Ta\"ibi, J. Blomme, J. Cuypers, J. De Ridder, K. Nienartowicz, L. Eyer, L. Guy, L. M. Sarro, L. Rimoldini, M. Beck, M. L\'opez, M. S\"uveges, N. Mowlavi, P. De Cat, P. Dubath, T. Lebzelter

arxiv:1107.3638 v2 · 2011-07-19 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPILDKUWUB3XIBH3HPY6BWGO4E}

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	2026-05-18T02:01:15.088579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33d0b1aa96a0777404fb3bf1e0d8cee125cf2670f035e456e2faa85196164940

Aliases

arxiv: 1107.3638 · arxiv_version: 1107.3638v2 · doi: 10.48550/arxiv.1107.3638 · pith_short_12: GPILDKUWUB3X · pith_short_16: GPILDKUWUB3XIBH3 · pith_short_8: GPILDKUW

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/GPILDKUWUB3XIBH3HPY6BWGO4E \
  | 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: 33d0b1aa96a0777404fb3bf1e0d8cee125cf2670f035e456e2faa85196164940

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59f32a1827197fa9d8ba50cb33cbbfee396562f129ee22d7a75bc878b388f8e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-07-19T07:28:22Z",
    "title_canon_sha256": "db0611e7221fc630979624a520cd772ea25c54ee9ddc56182d19c6637e3ffe9a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3638",
    "kind": "arxiv",
    "version": 2
  }
}