Pith Number

pith:QZOGKP56

pith:2019:QZOGKP56YLEGM2GUEWSYNR7EBG

not attested not anchored not stored refs pending

Machine Learning from a Continuous Viewpoint

Chao Ma, Lei Wu, Weinan E

arxiv:1912.12777 v2 · 2019-12-30 · math.NA · cs.NA · math.OC · 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{QZOGKP56YLEGM2GUEWSYNR7EBG}

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.

Cited by

1 paper in Pith

SpiS-GAN: Spiral-Modulated Handwriting Synthesis with Star Operation

Receipt and verification

First computed	2026-07-05T01:39:25.397720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

865c653fbec2c86668d425a586c7e409b3ebed0cab11ddd6822acbb33d786e03

Aliases

arxiv: 1912.12777 · arxiv_version: 1912.12777v2 · doi: 10.48550/arxiv.1912.12777 · pith_short_12: QZOGKP56YLEG · pith_short_16: QZOGKP56YLEGM2GU · pith_short_8: QZOGKP56

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/QZOGKP56YLEGM2GUEWSYNR7EBG \
  | 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: 865c653fbec2c86668d425a586c7e409b3ebed0cab11ddd6822acbb33d786e03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84407c68f90f13f8857e17ff0a9c56c8ea70cc3a9f02a60d95a8a55d12a461f0",
    "cross_cats_sorted": [
      "cs.NA",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-12-30T01:38:18Z",
    "title_canon_sha256": "ee587734f8532322cd1eb4dad87a0d2115a9403cb2eb1a0fa566e0f48674caa8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.12777",
    "kind": "arxiv",
    "version": 2
  }
}