Pith Number

pith:YZ4J4F6V

pith:2007:YZ4J4F6VSPGLOUW5H45DRA2A4Z

not attested not anchored not stored refs pending

Dependence of the Build-up of the Colour-Magnitude Relation on Cluster Richness at z ~ 0.8

Kazuhiro Shimasaku, Masayuki Tanaka, Sadanori Okamura, Tadayuki Kodama, Yusei Koyama

arxiv:0710.0632 v1 · 2007-10-02 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YZ4J4F6VSPGLOUW5H45DRA2A4Z}

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	2026-07-04T17:05:58.710579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6789e17d593ccb752dd3f3a388340e643f6dcfe74a2e7c4ddd4aed6357f6ed4

Aliases

arxiv: 0710.0632 · arxiv_version: 0710.0632v1 · doi: 10.48550/arxiv.0710.0632 · pith_short_12: YZ4J4F6VSPGL · pith_short_16: YZ4J4F6VSPGLOUW5 · pith_short_8: YZ4J4F6V

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/YZ4J4F6VSPGLOUW5H45DRA2A4Z \
  | 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: c6789e17d593ccb752dd3f3a388340e643f6dcfe74a2e7c4ddd4aed6357f6ed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49ec84e70dead336811783f7286f000cc06ae6d0400ed69f0b3fed72a144bada",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-10-02T20:21:12Z",
    "title_canon_sha256": "8f28bbe95fdd35719eb5ee4386571835b3b8c7080e992e81b086f60f1c3634c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.0632",
    "kind": "arxiv",
    "version": 1
  }
}