Pith Number

pith:37RIFPWZ

pith:2024:37RIFPWZ4BAAU5ZFZNUGYZCJKN

not attested not anchored not stored refs pending

Revisiting PCA for time series reduction in temporal dimension

Jiaxin Gao, Wenbo Hu, Yuntian Chen

arxiv:2412.19423 v1 · 2024-12-27 · cs.LG · cs.AI · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37RIFPWZ4BAAU5ZFZNUGYZCJKN}

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	2026-07-05T09:54:35.378232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe282bed9e0400a7725cb686c6449534533274015df19f122cd5e90c078afd4

Aliases

arxiv: 2412.19423 · arxiv_version: 2412.19423v1 · doi: 10.48550/arxiv.2412.19423 · pith_short_12: 37RIFPWZ4BAA · pith_short_16: 37RIFPWZ4BAAU5ZF · pith_short_8: 37RIFPWZ

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/37RIFPWZ4BAAU5ZFZNUGYZCJKN \
  | 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: dfe282bed9e0400a7725cb686c6449534533274015df19f122cd5e90c078afd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b96a2b39eac0b4af2efcb1dc9c8d00f38537077be1fa6fe527b2af14509c2ee",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-12-27T03:17:26Z",
    "title_canon_sha256": "d18d285f4693ecb9f22f4036f7e166fcbf03c93c8fcfe96893ea1c23a2b1ad21"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.19423",
    "kind": "arxiv",
    "version": 1
  }
}