Pith Number

pith:B4Y6DEXB

pith:2009:B4Y6DEXBZWSTTOE33BQCVB7L5E

not attested not anchored not stored refs pending

A catalog of visual double and multiple stars with eclipsing components

A.Liakos, K. Gazeas, M. Wolf, P. Svoboda, P. Zasche, R. Uhlar, W.I. Hartkopf

arxiv:0907.5172 v1 · 2009-07-29 · 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{B4Y6DEXBZWSTTOE33BQCVB7L5E}

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	2026-07-04T15:47:04.498640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f31e192e1cda539b89bd8602a87ebe9138885348be6b29a74141eb8f2774ff2

Aliases

arxiv: 0907.5172 · arxiv_version: 0907.5172v1 · doi: 10.48550/arxiv.0907.5172 · pith_short_12: B4Y6DEXBZWST · pith_short_16: B4Y6DEXBZWSTTOE3 · pith_short_8: B4Y6DEXB

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/B4Y6DEXBZWSTTOE33BQCVB7L5E \
  | 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: 0f31e192e1cda539b89bd8602a87ebe9138885348be6b29a74141eb8f2774ff2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "de68da2b6526f6a759122238df9346cefa3fbb8c2c0da5f5b41e08b47e5967f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-07-29T16:28:35Z",
    "title_canon_sha256": "d13b884b285cc91acec5c7424db4750e7f8faf469c73055f331da5eb6e534f1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.5172",
    "kind": "arxiv",
    "version": 1
  }
}