Pith Number

pith:KNDYOSYP

pith:2026:KNDYOSYP6SWN27S3D2HAN6TSGZ

not attested not anchored not stored refs pending

Data-driven sparse identification of governing PDEs via knockoff filters and multi-criteria trade-offs

Naichang Ke, Pongpisit Thanasutives, Yoshinobu Kawahara

arxiv:2605.26631 v1 · 2026-05-26 · stat.AP · 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{KNDYOSYP6SWN27S3D2HAN6TSGZ}

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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	2026-05-27T01:06:02.963108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5347874b0ff4acdd7e5b1e8e06fa72367cd6a39131ac34f1b8a2353e864b7347

Aliases

arxiv: 2605.26631 · arxiv_version: 2605.26631v1 · doi: 10.48550/arxiv.2605.26631 · pith_short_12: KNDYOSYP6SWN · pith_short_16: KNDYOSYP6SWN27S3 · pith_short_8: KNDYOSYP

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/KNDYOSYP6SWN27S3D2HAN6TSGZ \
  | 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: 5347874b0ff4acdd7e5b1e8e06fa72367cd6a39131ac34f1b8a2353e864b7347

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "315d54622f4be48c9e69edd5b125fcdbf06bcb209f0e2fe2d9af1b10e103fb0c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2026-05-26T07:07:23Z",
    "title_canon_sha256": "51b4082144b70d43d20f5799afca90c936e255d494f15d3a3870c379bc3b5a5f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26631",
    "kind": "arxiv",
    "version": 1
  }
}