Pith Number

pith:IPGNMK3Y

pith:2025:IPGNMK3YB3AKIA5MVCEXRSBWQE

not attested not anchored not stored refs pending

Overcoming error-in-variable problem in data-driven model discovery by orthogonal distance regression

Lloyd Fung

arxiv:2507.23426 v1 · 2025-07-31 · stat.ME · nlin.CD · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPGNMK3YB3AKIA5MVCEXRSBWQE}

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	2026-07-05T11:46:12.114539Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ccd62b780ec0a403aca88978c83681357264c1ce481851f46d34ee62a5c906

Aliases

arxiv: 2507.23426 · arxiv_version: 2507.23426v1 · doi: 10.48550/arxiv.2507.23426 · pith_short_12: IPGNMK3YB3AK · pith_short_16: IPGNMK3YB3AKIA5M · pith_short_8: IPGNMK3Y

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/IPGNMK3YB3AKIA5MVCEXRSBWQE \
  | 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: 43ccd62b780ec0a403aca88978c83681357264c1ce481851f46d34ee62a5c906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0edd3ec78bcae5d56a28a0fd7a8b7cc9a91576881d96771973097444dd42552",
    "cross_cats_sorted": [
      "nlin.CD",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-07-31T11:06:30Z",
    "title_canon_sha256": "781335c1ca69d54344416c9b9a31e8cddcb0c08aaa419c36ea2a7afb16f63b05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23426",
    "kind": "arxiv",
    "version": 1
  }
}