Pith Number

pith:MDUCJKS2

pith:2009:MDUCJKS2F4SUX2JJ3YI477C3TV

not attested not anchored not stored refs pending

Precision Measurements of the Cluster Red Sequence using an Error Corrected Gaussian Mixture Model

August Evrard, Benjamin P. Koester, David E. Johnston, David Gerdes, Eduardo Rozo, Eli S. Rykoff, Erin Sheldon, James Annis, Jiangang Hao, Matthew Becker, Michael Busha, Risa H. Wechsler, Timothy A. McKay

arxiv:0907.4383 v3 · 2009-07-24 · astro-ph.CO · astro-ph.GA · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MDUCJKS2F4SUX2JJ3YI477C3TV}

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	2026-05-18T04:38:15.641629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60e824aa5a2f254be929de11cffc5b9d7bd47f5b06b006ce0ffb235d94440cdc

Aliases

arxiv: 0907.4383 · arxiv_version: 0907.4383v3 · doi: 10.48550/arxiv.0907.4383 · pith_short_12: MDUCJKS2F4SU · pith_short_16: MDUCJKS2F4SUX2JJ · pith_short_8: MDUCJKS2

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/MDUCJKS2F4SUX2JJ3YI477C3TV \
  | 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: 60e824aa5a2f254be929de11cffc5b9d7bd47f5b06b006ce0ffb235d94440cdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "740458ff100ed36891f440e8b9f20ace71df9d0a7847c2a55f071af8be59e00e",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "stat.CO"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-07-24T22:40:48Z",
    "title_canon_sha256": "d078ca9500eb3c582cf591b9316a404b54bbb900f21a581a52cfe3b3b10c6498"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4383",
    "kind": "arxiv",
    "version": 3
  }
}