Pith Number

pith:YNWP6DOW

pith:2019:YNWP6DOWNMEFVV4S74Z4VHUUMU

not attested not anchored not stored refs pending

Sublinear quantum algorithms for training linear and kernel-based classifiers

Shouvanik Chakrabarti, Tongyang Li, Xiaodi Wu

arxiv:1904.02276 v1 · 2019-04-04 · quant-ph · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNWP6DOWNMEFVV4S74Z4VHUUMU}

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	2026-05-17T23:45:03.864898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c36cff0dd66b085ad792ff33ca9e946530af04f1df3b3cfda3e259364422b8a4

Aliases

arxiv: 1904.02276 · arxiv_version: 1904.02276v1 · doi: 10.48550/arxiv.1904.02276 · pith_short_12: YNWP6DOWNMEF · pith_short_16: YNWP6DOWNMEFVV4S · pith_short_8: YNWP6DOW

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/YNWP6DOWNMEFVV4S74Z4VHUUMU \
  | 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: c36cff0dd66b085ad792ff33ca9e946530af04f1df3b3cfda3e259364422b8a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e9c9ccf87075eb9b257f3c2912c931a2ad1b7d9919080dba6411d82449a91ea",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-04T00:00:59Z",
    "title_canon_sha256": "8ac0443bbaa7da20902dc2572257c49d59a7eb514cf70bfcd600dea586577f92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.02276",
    "kind": "arxiv",
    "version": 1
  }
}