Pith Number

pith:G2T5OUDR

pith:2024:G2T5OUDRFDOVWX4AS75RMOV6WM

not attested not anchored not stored refs pending

Improving Photometric Redshift Estimates with Training Sample Augmentation

Alex I. Malz, Brett H. Andrews, Eric Gawiser, Irene Moskowitz, John Franklin Crenshaw, Samuel Schmidt, The LSST Dark Energy Science Collaboration

arxiv:2402.15551 v2 · 2024-02-23 · astro-ph.IM · astro-ph.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{G2T5OUDRFDOVWX4AS75RMOV6WM}

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	2026-07-05T08:18:49.837352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36a7d7507128dd5b5f8097fb163abeb318c176e1c9ff4fc3acbb961e086fe1df

Aliases

arxiv: 2402.15551 · arxiv_version: 2402.15551v2 · doi: 10.48550/arxiv.2402.15551 · pith_short_12: G2T5OUDRFDOV · pith_short_16: G2T5OUDRFDOVWX4A · pith_short_8: G2T5OUDR

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/G2T5OUDRFDOVWX4AS75RMOV6WM \
  | 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: 36a7d7507128dd5b5f8097fb163abeb318c176e1c9ff4fc3acbb961e086fe1df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d39b889b267aa811d801a21e20ae24903f0f81d1c22708ed3c1bbb0afc7d2d35",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2024-02-23T17:03:02Z",
    "title_canon_sha256": "880f1eea18e62276cfc344b1b13f381d2f4701a2f32f59e0487fb9e9b5702cc6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2402.15551",
    "kind": "arxiv",
    "version": 2
  }
}