Pith Number

pith:XYH2YS4J

pith:2024:XYH2YS4J7BRY2C24GC2MIXVBHM

not attested not anchored not stored refs pending

Chebyshev Feature Neural Network for Accurate Function Approximation

Dongbin Xiu, Yuan Chen, Zhongshu Xu

arxiv:2409.19135 v2 · 2024-09-27 · cs.LG · cs.NA · cs.NE · math.NA · 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{XYH2YS4J7BRY2C24GC2MIXVBHM}

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	2026-07-05T09:53:05.314754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be0fac4b89f8638d0b5c30b4c45ea13b3122ae53ed318dccf68fc7d3a352cb91

Aliases

arxiv: 2409.19135 · arxiv_version: 2409.19135v2 · doi: 10.48550/arxiv.2409.19135 · pith_short_12: XYH2YS4J7BRY · pith_short_16: XYH2YS4J7BRY2C24 · pith_short_8: XYH2YS4J

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/XYH2YS4J7BRY2C24GC2MIXVBHM \
  | 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: be0fac4b89f8638d0b5c30b4c45ea13b3122ae53ed318dccf68fc7d3a352cb91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "250a05b7ea0c5bc42374d61728abbd25657a6208a81e0870c1d80b19a59c2659",
    "cross_cats_sorted": [
      "cs.NA",
      "cs.NE",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-09-27T20:41:17Z",
    "title_canon_sha256": "fa0f0d0a21775ab6e98fea43ee33bbe5d521f98930532fa3011cdc2acc4cae76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.19135",
    "kind": "arxiv",
    "version": 2
  }
}