Pith Number

pith:HYONURLQ

pith:2017:HYONURLQYDSYIX4TP4MEMVBMCW

not attested not anchored not stored refs pending

Adaptive gPCA: A method for structured dimensionality reduction

Julia Fukuyama

arxiv:1702.00501 v1 · 2017-02-01 · stat.ME · 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{HYONURLQYDSYIX4TP4MEMVBMCW}

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	2026-05-18T00:51:33.418508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e1cda4570c0e5845f937f1846542c158563657d92902ace43a88d556c920f1b

Aliases

arxiv: 1702.00501 · arxiv_version: 1702.00501v1 · doi: 10.48550/arxiv.1702.00501 · pith_short_12: HYONURLQYDSY · pith_short_16: HYONURLQYDSYIX4T · pith_short_8: HYONURLQ

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/HYONURLQYDSYIX4TP4MEMVBMCW \
  | 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: 3e1cda4570c0e5845f937f1846542c158563657d92902ace43a88d556c920f1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52d32c2212576e6265586702e70508208bbc3b83b8debb30424c59af2c6e6b4f",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-02-01T23:38:57Z",
    "title_canon_sha256": "fbce3cfab1e4b80f6eb41f92c526149b057c87d7377c5b1ac60a51203ce3f727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00501",
    "kind": "arxiv",
    "version": 1
  }
}