Pith Number

pith:LUPUTVMI

pith:2016:LUPUTVMIXQAU6UGEJGUE367VSY

not attested not anchored not stored refs pending

Parsimonious Online Learning with Kernels via Sparse Projections in Function Space

Alec Koppel, Alejandro Ribeiro, Ethan Stump, Garrett Warnell

arxiv:1612.04111 v1 · 2016-12-13 · stat.ML · 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{LUPUTVMIXQAU6UGEJGUE367VSY}

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	2026-05-18T00:55:05.511747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d1f49d588bc014f50c449a84dfbf5960e0078b03a3a244b579b82764bc8198c

Aliases

arxiv: 1612.04111 · arxiv_version: 1612.04111v1 · doi: 10.48550/arxiv.1612.04111 · pith_short_12: LUPUTVMIXQAU · pith_short_16: LUPUTVMIXQAU6UGE · pith_short_8: LUPUTVMI

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/LUPUTVMIXQAU6UGEJGUE367VSY \
  | 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: 5d1f49d588bc014f50c449a84dfbf5960e0078b03a3a244b579b82764bc8198c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34ca33c4e2ddf524cf47ef440e708feb4ce0c0efc95916a84a704fbd2d104661",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-12-13T12:01:28Z",
    "title_canon_sha256": "eb311ad0e19c505c165833db2fcd733965eea7deeaae92b37cdf964d6d81cda2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04111",
    "kind": "arxiv",
    "version": 1
  }
}