Pith Number

pith:4HCKG375

pith:2024:4HCKG375OPQWDAFBGLYB4APNWG

not attested not anchored not stored refs pending

Best free knot linear spline approximation and its application to neural networks

Duy Khoa Pham, Nadezda Sukhorukova, Vinesha Peiris

arxiv:2404.00008 v1 · 2024-03-07 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HCKG375OPQWDAFBGLYB4APNWG}

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	2026-07-05T08:02:26.441735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1c4a36ffd73e16180a132f01e01edb1b8a46e07b581e9052d4ef897a6e50965

Aliases

arxiv: 2404.00008 · arxiv_version: 2404.00008v1 · doi: 10.48550/arxiv.2404.00008 · pith_short_12: 4HCKG375OPQW · pith_short_16: 4HCKG375OPQWDAFB · pith_short_8: 4HCKG375

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/4HCKG375OPQWDAFBGLYB4APNWG \
  | 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: e1c4a36ffd73e16180a132f01e01edb1b8a46e07b581e9052d4ef897a6e50965

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "622cb11cbe4bbfb6bca13c0d6c361a6e8fb25b654992966c8af65f6e6a3dc1d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-03-07T23:27:20Z",
    "title_canon_sha256": "278df18142d75cc9e28f2d5cfaa8f0a5a053315aa8efc8847915089773881fff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.00008",
    "kind": "arxiv",
    "version": 1
  }
}