Pith Number

pith:LW4IQCGE

pith:2012:LW4IQCGEDX43VQTD7FFXQDXGVI

not attested not anchored not stored refs pending

A Fresh Catch of Massive Binaries in the Cygnus OB2 Association

Carlos A. Vargas-Alvarez, Daniel C. Kiminki, Earl S. Wood, Garrett Long, Henry A. Kobulnicky, Jessie C. Runnoe, Michael J. Alexander, Michael J. Lundquist, Rachel A. Smullen

arxiv:1206.6742 v1 · 2012-06-28 · 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{LW4IQCGEDX43VQTD7FFXQDXGVI}

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	2026-05-18T01:56:40.869831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5db88808c41df9bac263f94b780ee6aa21e95895f2353a3b1fef116a8412e0f2

Aliases

arxiv: 1206.6742 · arxiv_version: 1206.6742v1 · doi: 10.48550/arxiv.1206.6742 · pith_short_12: LW4IQCGEDX43 · pith_short_16: LW4IQCGEDX43VQTD · pith_short_8: LW4IQCGE

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/LW4IQCGEDX43VQTD7FFXQDXGVI \
  | 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: 5db88808c41df9bac263f94b780ee6aa21e95895f2353a3b1fef116a8412e0f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38fb87771ed82b94fd4d148909c1cf94db9ee2c5ccb5953accc728751464bca8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-06-28T15:55:47Z",
    "title_canon_sha256": "ebe8c41df5df075d4a0873cfa9ac07dea9133eb46e7e5a582e64121c54027ae3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.6742",
    "kind": "arxiv",
    "version": 1
  }
}