Pith Number

pith:TY6CLBQP

pith:2009:TY6CLBQPSAYLB3Z2C72G35JZM6

not attested not anchored not stored refs pending

Close binary stars in the solar-age Galactic open cluster M67

B. Kalomeni, C. Aerts, C. Waelkens, E. Bauwens, G. Raskin, H. Van Winckel, I. Khamitov, K. Uluc, K. Yakut, L. Le Guillou, M. Parmaksizoglu, M. Vuckovic, P. De Cat, S. Saesen, W. Zima

arxiv:0906.4908 v1 · 2009-06-26 · 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{TY6CLBQPSAYLB3Z2C72G35JZM6}

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	2026-05-18T02:13:12.487109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9e3c25860f9030b0ef3a17f46df539679cd8ec1049f0906489a60c47c3f06c6b

Aliases

arxiv: 0906.4908 · arxiv_version: 0906.4908v1 · doi: 10.48550/arxiv.0906.4908 · pith_short_12: TY6CLBQPSAYL · pith_short_16: TY6CLBQPSAYLB3Z2 · pith_short_8: TY6CLBQP

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/TY6CLBQPSAYLB3Z2C72G35JZM6 \
  | 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: 9e3c25860f9030b0ef3a17f46df539679cd8ec1049f0906489a60c47c3f06c6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88d15d889a92cdc63da9c9ead252d5ca6be2affb4b4094da777e568d3bfecf0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-06-26T11:37:07Z",
    "title_canon_sha256": "e03b46d90523e2bed160f289e6f43b57e86797be65a74fcf6473bcd95bf05fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4908",
    "kind": "arxiv",
    "version": 1
  }
}