Pith Number

pith:OY2YMPVI

pith:2022:OY2YMPVIYMESNXYOTKCHHME4QB

not attested not anchored not stored refs pending

Red Dragon: A Redshift-Evolving Gaussian Mixture Model for Galaxies

August Evrard, William K. Black

arxiv:2204.10141 v1 · 2022-04-21 · astro-ph.CO · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OY2YMPVIYMESNXYOTKCHHME4QB}

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	2026-07-05T04:45:19.890827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7635863ea8c30926df0e9a8473b09c80724139585938123a946730dbd45632fd

Aliases

arxiv: 2204.10141 · arxiv_version: 2204.10141v1 · doi: 10.48550/arxiv.2204.10141 · pith_short_12: OY2YMPVIYMES · pith_short_16: OY2YMPVIYMESNXYO · pith_short_8: OY2YMPVI

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/OY2YMPVIYMESNXYOTKCHHME4QB \
  | 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: 7635863ea8c30926df0e9a8473b09c80724139585938123a946730dbd45632fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e513a3204782c4199d3e5529ae76dc44d68b56d6e0900f9a8617ff45a7316a28",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2022-04-21T14:46:26Z",
    "title_canon_sha256": "a2874d9a9dba9f278d111caa82ac7a93e83500a48582bdab9132edfbd7b8736a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.10141",
    "kind": "arxiv",
    "version": 1
  }
}