Pith Number

pith:BGIO434Q

pith:2026:BGIO434QBSFHE7VIM6UNCHW2E4

not attested not anchored not stored refs pending

Accurate modeling for 3$\times$2pt analyses in Roman and Rubin: a study of model approximations

Chihway Chang, Chun-Hao To, Haley Bowden, Jiachuan Xu, Junzhou Zhang, Kaili Cao, Roman HLIS Cosmology PIT, Tim Eifler, Vivian Miranda

arxiv:2606.23781 v1 · 2026-06-22 · 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{BGIO434QBSFHE7VIM6UNCHW2E4}

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	2026-06-24T00:14:25.978651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0990ee6f900c8a727ea867a8d11eda27118bce2fea3da23cb8d5bb389b0d7c81

Aliases

arxiv: 2606.23781 · arxiv_version: 2606.23781v1 · doi: 10.48550/arxiv.2606.23781 · pith_short_12: BGIO434QBSFH · pith_short_16: BGIO434QBSFHE7VI · pith_short_8: BGIO434Q

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/BGIO434QBSFHE7VIM6UNCHW2E4 \
  | 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: 0990ee6f900c8a727ea867a8d11eda27118bce2fea3da23cb8d5bb389b0d7c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b487b7a8fb1ea2fb6ef45dccea8950d4467c7c96762402a8e60a5a534c3d2dad",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-06-22T18:00:00Z",
    "title_canon_sha256": "00e1ebbe6085a5644db4d4cb5636205378e4b94dc68a801f7cd5400530c22e58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23781",
    "kind": "arxiv",
    "version": 1
  }
}