Pith Number

pith:KLDPFAUU

pith:2018:KLDPFAUUL3CMK27RWS57FHCQUI

not attested not anchored not stored refs pending

On the Complexity of the Weighted Fused Lasso

Jose Bento, Ralph Furmaniak, Surjyendu Ray

arxiv:1801.04987 v3 · 2018-01-15 · cs.LG · cs.CC · 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{KLDPFAUUL3CMK27RWS57FHCQUI}

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	2026-05-18T00:03:19.072971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52c6f282945ec4c56bf1b4bbf29c50a201ce798f5f8ccf6a363cc38c67902c26

Aliases

arxiv: 1801.04987 · arxiv_version: 1801.04987v3 · doi: 10.48550/arxiv.1801.04987 · pith_short_12: KLDPFAUUL3CM · pith_short_16: KLDPFAUUL3CMK27R · pith_short_8: KLDPFAUU

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/KLDPFAUUL3CMK27RWS57FHCQUI \
  | 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: 52c6f282945ec4c56bf1b4bbf29c50a201ce798f5f8ccf6a363cc38c67902c26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa03ea9ccb56f260f289ee980872152344f79a1b9cc53139e9f6731210970728",
    "cross_cats_sorted": [
      "cs.CC",
      "math.OC",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2018-01-15T20:20:53Z",
    "title_canon_sha256": "fcaddffd38c1d5f6f5cbd2e96f8c67ae1904275ff4ba2d896c733d543726d8f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04987",
    "kind": "arxiv",
    "version": 3
  }
}