Pith Number

pith:VZ4OF3BP

pith:2009:VZ4OF3BPLZZSX4KCYV6PMBE6HO

not attested not anchored not stored refs pending

The main-sequence rotation-colour relation in the Coma Berenices open cluster

A. Collier Cameron, A. J. Norton, A. Scholz, B. Enoch, B. Smalley, C. A. Haswell, C. Hellier, D. J. Christian, D. M. Wilson, D. Pollacco, D. R. Anderson, G. Skinner, I. Skillen, J. Irwin, K. D. Horne, L. Hebb, N. Parley, P. F. L. Maxted, P.J. Wheatley, R. A. Street, R. G. West, R. Ryans, S. R. Kane, T. A. Lister, V. A. Davidson, W. I. Clarkson, Y. Joshi

arxiv:0908.0189 v1 · 2009-08-03 · 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{VZ4OF3BPLZZSX4KCYV6PMBE6HO}

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	2026-05-18T02:12:45.338683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ae78e2ec2f5e732bf142c57cf6049e3b8501da1f9d3d0acc03ebb73753edeb58

Aliases

arxiv: 0908.0189 · arxiv_version: 0908.0189v1 · doi: 10.48550/arxiv.0908.0189 · pith_short_12: VZ4OF3BPLZZS · pith_short_16: VZ4OF3BPLZZSX4KC · pith_short_8: VZ4OF3BP

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/VZ4OF3BPLZZSX4KCYV6PMBE6HO \
  | 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: ae78e2ec2f5e732bf142c57cf6049e3b8501da1f9d3d0acc03ebb73753edeb58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99d6ea430f0ad3400dd3f22ef994c11a4dde51ae6329e354053608d5699edf1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-08-03T05:44:58Z",
    "title_canon_sha256": "26b63e1002a3088da0dc1472d2421062cb279a60b6618cf85b28a503e8953fbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0189",
    "kind": "arxiv",
    "version": 1
  }
}