Pith Number

pith:T22S6Q3T

pith:2018:T22S6Q3TEIG3IZF45UNEXFTFKA

not attested not anchored not stored refs pending

Dynamic Multivariate Functional Data Modeling via Sparse Subspace Learning

Chen Zhang, Hao Yan, Jianjun Shi, Seungho Lee

arxiv:1804.03797 v1 · 2018-04-11 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T22S6Q3TEIG3IZF45UNEXFTFKA}

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	2026-05-18T00:18:43.051380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9eb52f4373220db464bced1a4b9665500e8a2dbbec2298c0b476f6a0d5436d01

Aliases

arxiv: 1804.03797 · arxiv_version: 1804.03797v1 · doi: 10.48550/arxiv.1804.03797 · pith_short_12: T22S6Q3TEIG3 · pith_short_16: T22S6Q3TEIG3IZF4 · pith_short_8: T22S6Q3T

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/T22S6Q3TEIG3IZF45UNEXFTFKA \
  | 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: 9eb52f4373220db464bced1a4b9665500e8a2dbbec2298c0b476f6a0d5436d01

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74f2828f9f8f862344ab22e3e4dac59cc31f0efc2a2c527f94176fb9849cb352",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-04-11T03:32:16Z",
    "title_canon_sha256": "7eb7c1203e4b4c0c072e44a66c8a4af7152ac3cfcf7fe187f53e42a01d865b75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03797",
    "kind": "arxiv",
    "version": 1
  }
}