pith. sign in
Pith Number

pith:B5UQX5JS

pith:2006:B5UQX5JSXYP6UHMO5MRELI3RY2
not attested not anchored not stored refs pending

A Radial Velocity Survey of the Cygnus OB2 Association

Andy J. Monson, B. Uzpen, Christopher L. Fryer, Daniel C. Kiminki, Henry A. Kobulnicky, Jennifer S. Irwin, K. Kinemuchi, Michael A. Pierce, R. C. Berrington, S. E. Woosley

arxiv:astro-ph/0609772 v1 · 2006-09-28 · astro-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{B5UQX5JSXYP6UHMO5MRELI3RY2}

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 2026-05-18T04:28:57.560095Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0f690bf532be1fea1d8eeb2245a371c68b417776570d3628d35ebd0f3eb6ffd9

Aliases

arxiv: astro-ph/0609772 · arxiv_version: astro-ph/0609772v1 · doi: 10.48550/arxiv.astro-ph/0609772 · pith_short_12: B5UQX5JSXYP6 · pith_short_16: B5UQX5JSXYP6UHMO · pith_short_8: B5UQX5JS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/B5UQX5JSXYP6UHMO5MRELI3RY2 \
  | 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: 0f690bf532be1fea1d8eeb2245a371c68b417776570d3628d35ebd0f3eb6ffd9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d9f51726bd4b1cc1dc371e5080ccaf4da9f33e7bb460e08648c3f87a33fed0ee",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2006-09-28T07:21:36Z",
    "title_canon_sha256": "7606bf49c97f8276ed6fc742b857a19ac8ea98ada696914d547b193572b1e229"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0609772",
    "kind": "arxiv",
    "version": 1
  }
}