Pith Number

pith:LCMG5CIX

pith:2009:LCMG5CIXRIIV6FUCZHYVFLAY4T

not attested not anchored not stored refs pending

Five More Massive Binaries in the Cygnus OB2 Association

Daniel. C. Kiminki, Georgi Chunev, Henry. A. Kobulnicky, Ian Gilbert, Sarah Bird

arxiv:0903.1265 v1 · 2009-03-06 · astro-ph.GA · 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{LCMG5CIXRIIV6FUCZHYVFLAY4T}

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	2026-05-18T04:06:19.319463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58986e89178a115f1682c9f152ac18e4ebb7fb3ba6feca6fd641dac92e590419

Aliases

arxiv: 0903.1265 · arxiv_version: 0903.1265v1 · doi: 10.48550/arxiv.0903.1265 · pith_short_12: LCMG5CIXRIIV · pith_short_16: LCMG5CIXRIIV6FUC · pith_short_8: LCMG5CIX

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/LCMG5CIXRIIV6FUCZHYVFLAY4T \
  | 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: 58986e89178a115f1682c9f152ac18e4ebb7fb3ba6feca6fd641dac92e590419

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65b21ff4bb5c52c43c5ad9743be3eb2a08a591ae40433851f46062a7e9e5dda4",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-03-06T20:33:40Z",
    "title_canon_sha256": "904c8de42f398cf073dcccdc0f2dfc1a6070f0b75ce2317f6a290632b2e1f66f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.1265",
    "kind": "arxiv",
    "version": 1
  }
}