Pith Number

pith:ATFNFSPS

pith:2016:ATFNFSPS66M2IVK7WWNMNU3ZZJ

not attested not anchored not stored refs pending

Piece-wise quadratic approximations of arbitrary error functions for fast and robust machine learning

A.N. Gorban, A. Zinovyev, E.M. Mirkes

arxiv:1605.06276 v2 · 2016-05-20 · cs.LG · 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{ATFNFSPS66M2IVK7WWNMNU3ZZJ}

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	2026-05-18T00:52:23.312229Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04cad2c9f2f799a4555fb59ac6d379ca5d702a6b07003770eef8ed919a5d3dbd

Aliases

arxiv: 1605.06276 · arxiv_version: 1605.06276v2 · doi: 10.48550/arxiv.1605.06276 · pith_short_12: ATFNFSPS66M2 · pith_short_16: ATFNFSPS66M2IVK7 · pith_short_8: ATFNFSPS

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/ATFNFSPS66M2IVK7WWNMNU3ZZJ \
  | 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: 04cad2c9f2f799a4555fb59ac6d379ca5d702a6b07003770eef8ed919a5d3dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a133c6a7284e6cd9c493ddcac15a4ff608e15ae8e29136a01bf1446fcb4d4043",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-05-20T10:25:47Z",
    "title_canon_sha256": "4786802d73709576766cd76e5458c79ae924e4cee55481ca6e0b6063818a4c90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06276",
    "kind": "arxiv",
    "version": 2
  }
}