Pith Number

pith:6Y5GFOD2

pith:2014:6Y5GFOD2ULT2BFVVQCMXMSOFE5

not attested not anchored not stored refs pending

Group Regularized Estimation under Structural Hierarchy

He Jiang, Yiyuan She, Zhifeng Wang

arxiv:1411.4691 v3 · 2014-11-17 · math.ST · stat.CO · 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{6Y5GFOD2ULT2BFVVQCMXMSOFE5}

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	2026-05-18T00:59:49.467986Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f63a62b87aa2e7a096b580997649c5274ef4a1da923be4bd0ac1160ff5c26f35

Aliases

arxiv: 1411.4691 · arxiv_version: 1411.4691v3 · doi: 10.48550/arxiv.1411.4691 · pith_short_12: 6Y5GFOD2ULT2 · pith_short_16: 6Y5GFOD2ULT2BFVV · pith_short_8: 6Y5GFOD2

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/6Y5GFOD2ULT2BFVVQCMXMSOFE5 \
  | 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: f63a62b87aa2e7a096b580997649c5274ef4a1da923be4bd0ac1160ff5c26f35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb8aab902ece3f986d7a0c31635d0a74e12efeb89e2436816dbff76c7fc0a4a7",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2014-11-17T23:03:11Z",
    "title_canon_sha256": "326259f5936e7fbc3593864b2c0b390be6520e41edceabb9356dfc84ad046f12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4691",
    "kind": "arxiv",
    "version": 3
  }
}