Pith Number

pith:JBK63KXM

pith:2014:JBK63KXMLHOP5EVRNKOPKLMGB4

not attested not anchored not stored refs pending

How to monitor and mitigate stair-casing in l1 trend filtering

Bo Wahlberg, Cristian R. Rojas

arxiv:1412.0607 v1 · 2014-12-01 · math.ST · cs.SY · stat.ML · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JBK63KXMLHOP5EVRNKOPKLMGB4}

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	2026-05-18T02:32:22.997505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4855edaaec59dcfe92b16a9cf52d860f2d8b14938177096c9c65bb6dd22959f8

Aliases

arxiv: 1412.0607 · arxiv_version: 1412.0607v1 · doi: 10.48550/arxiv.1412.0607 · pith_short_12: JBK63KXMLHOP · pith_short_16: JBK63KXMLHOP5EVR · pith_short_8: JBK63KXM

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/JBK63KXMLHOP5EVRNKOPKLMGB4 \
  | 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: 4855edaaec59dcfe92b16a9cf52d860f2d8b14938177096c9c65bb6dd22959f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e37f217a62a8ca2d3ae1d0a9b2ba14dbcec754fdae007f9cc64e751c15469d46",
    "cross_cats_sorted": [
      "cs.SY",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-12-01T19:31:51Z",
    "title_canon_sha256": "e43e07c71d0b66d031c24f2a12ebe2c4ee669d3e76420a79c2ff03d89284a5ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.0607",
    "kind": "arxiv",
    "version": 1
  }
}