Pith Number

pith:GAIVI2ZQ

pith:2019:GAIVI2ZQ7IUYBF56O5YA24IOCT

not attested not anchored not stored refs pending

RobustTrend: A Huber Loss with a Combined First and Second Order Difference Regularization for Time Series Trend Filtering

Jian Tan, Jingkun Gao, Liang Sun, Qingsong Wen, Xiaomin Song

arxiv:1906.03751 v2 · 2019-06-10 · cs.LG · eess.SP · stat.AP · 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{GAIVI2ZQ7IUYBF56O5YA24IOCT}

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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	2026-05-17T23:42:07.831239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3011546b30fa298097be77700d710e14f0f6c6379ede5bd8c877a58062f80f16

Aliases

arxiv: 1906.03751 · arxiv_version: 1906.03751v2 · doi: 10.48550/arxiv.1906.03751 · pith_short_12: GAIVI2ZQ7IUY · pith_short_16: GAIVI2ZQ7IUYBF56 · pith_short_8: GAIVI2ZQ

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/GAIVI2ZQ7IUYBF56O5YA24IOCT \
  | 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: 3011546b30fa298097be77700d710e14f0f6c6379ede5bd8c877a58062f80f16

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c84dcf13b7f31ffc137d3432a0067149b3bc1396c88437440e6f29ef066931c9",
    "cross_cats_sorted": [
      "eess.SP",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-06-10T01:00:36Z",
    "title_canon_sha256": "ab27b03ba707b5769ddd4014fe8729cac14acb41b2042bf7385aadf78bb9a778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.03751",
    "kind": "arxiv",
    "version": 2
  }
}