Pith Number

pith:3SD6YJDF

pith:2009:3SD6YJDFI4FXSCMY55AG3KSP4X

not attested not anchored not stored refs pending

A path algorithm for the Fused Lasso Signal Approximator

Holger Hoefling

arxiv:0910.0526 v1 · 2009-10-03 · stat.CO · 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{3SD6YJDFI4FXSCMY55AG3KSP4X}

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	2026-07-04T15:53:38.494573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc87ec2465470b790998ef406daa4fe5deb5268998e1917ac47454e523a0bff7

Aliases

arxiv: 0910.0526 · arxiv_version: 0910.0526v1 · doi: 10.48550/arxiv.0910.0526 · pith_short_12: 3SD6YJDFI4FX · pith_short_16: 3SD6YJDFI4FXSCMY · pith_short_8: 3SD6YJDF

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/3SD6YJDFI4FXSCMY55AG3KSP4X \
  | 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: dc87ec2465470b790998ef406daa4fe5deb5268998e1917ac47454e523a0bff7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45ebb67eea0e95542feff73f5f5ae7c298d4ff6c08970561c2a947aff64d1a0e",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2009-10-03T09:03:31Z",
    "title_canon_sha256": "b818feb31865011f95db8e781b0fad61f4979f3249e299bdee4dfcc01d03a6a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0526",
    "kind": "arxiv",
    "version": 1
  }
}