Pith Number

pith:URZPJAGN

pith:2016:URZPJAGNSBL6TDCCAMYRQRTNOU

not attested not anchored not stored refs pending

A Category Space Approach to Supervised Dimensionality Reduction

Anand Rangarajan, Anthony O. Smith

arxiv:1610.08838 v1 · 2016-10-27 · 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{URZPJAGNSBL6TDCCAMYRQRTNOU}

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	2026-05-18T01:01:07.127011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a472f480cd9057e98c42033118466d753bfd6ab89cf33ad9cba5f3e6442da5f3

Aliases

arxiv: 1610.08838 · arxiv_version: 1610.08838v1 · doi: 10.48550/arxiv.1610.08838 · pith_short_12: URZPJAGNSBL6 · pith_short_16: URZPJAGNSBL6TDCC · pith_short_8: URZPJAGN

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/URZPJAGNSBL6TDCCAMYRQRTNOU \
  | 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: a472f480cd9057e98c42033118466d753bfd6ab89cf33ad9cba5f3e6442da5f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f0c2e84bbf5d144b2e128b13837466d407a6f4159f009e2874dea01a6f6512d",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2016-10-27T15:30:35Z",
    "title_canon_sha256": "e6731313c0d6effbb3db9d6c9d96b409276dffeda1f9b3e52cbc7648effe4558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08838",
    "kind": "arxiv",
    "version": 1
  }
}