Pith Number

pith:KG37JDUH

pith:2015:KG37JDUH3Q7TBF6PVJIHVGFAB7

not attested not anchored not stored refs pending

A Framework of Sparse Online Learning and Its Applications

Dayong Wang, Peilin Zhao, Pengcheng Wu, Steven C.H. Hoi

arxiv:1507.07146 v1 · 2015-07-25 · 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{KG37JDUH3Q7TBF6PVJIHVGFAB7}

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	2026-05-18T01:36:17.103444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51b7f48e87dc3f3097cfaa507a98a00fd6fa3a611e259a80bd3f424ce9acfd86

Aliases

arxiv: 1507.07146 · arxiv_version: 1507.07146v1 · doi: 10.48550/arxiv.1507.07146 · pith_short_12: KG37JDUH3Q7T · pith_short_16: KG37JDUH3Q7TBF6P · pith_short_8: KG37JDUH

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/KG37JDUH3Q7TBF6PVJIHVGFAB7 \
  | 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: 51b7f48e87dc3f3097cfaa507a98a00fd6fa3a611e259a80bd3f424ce9acfd86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f78bd76942fbf0bcf8ebd5714ba279bc677d7a9fdd3f9d9cca25abd6977c023a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-07-25T22:53:31Z",
    "title_canon_sha256": "9ef5b646c2c0bfb4b97c53a0d70d8e23a476b8191cc8e994fa030d656168c800"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07146",
    "kind": "arxiv",
    "version": 1
  }
}