Pith Number

pith:4KY7BYOI

pith:2026:4KY7BYOIHTFFU7EPTFMLKD2B43

not attested not anchored not stored refs pending

Dark Quest II: A Wide-Coverage Neural Network Emulator of the Nonlinear Matter Power Spectrum Across Extended Cosmologies

Satoshi Tanaka, Takahiro Nishimichi, Yosuke Kobayashi

arxiv:2605.28596 v1 · 2026-05-27 · astro-ph.CO · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4KY7BYOIHTFFU7EPTFMLKD2B43}

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	2026-05-28T02:04:57.363262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2b1f0e1c83cca5a7c8f9958b50f41e6e8e9aa30b38c2b8410cd51adbfc504d8

Aliases

arxiv: 2605.28596 · arxiv_version: 2605.28596v1 · doi: 10.48550/arxiv.2605.28596 · pith_short_12: 4KY7BYOIHTFF · pith_short_16: 4KY7BYOIHTFFU7EP · pith_short_8: 4KY7BYOI

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/4KY7BYOIHTFFU7EPTFMLKD2B43 \
  | 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: e2b1f0e1c83cca5a7c8f9958b50f41e6e8e9aa30b38c2b8410cd51adbfc504d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f260b0b3a15e80a747b44c1a661d230b4c27f5a6199183010d03204460ed4d1",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-27T15:15:26Z",
    "title_canon_sha256": "a2f3452926508a5a23d47c37ca2324d19df1976e085ca3e1a28f1bd0fe4c0881"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28596",
    "kind": "arxiv",
    "version": 1
  }
}