Pith Number

pith:PBYPFHM5

pith:2024:PBYPFHM5QPGVI3TO2SOHJVBCMJ

not attested not anchored not stored refs pending

Principal component analysis balancing prediction and approximation accuracy for spatial data

Adam Szpiro, Ali Shojaie, Lianne Sheppard, Magali N. Blanco, Si Cheng, Timothy V. Larson

arxiv:2408.01662 v3 · 2024-08-03 · stat.ME · stat.CO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBYPFHM5QPGVI3TO2SOHJVBCMJ}

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	2026-07-05T11:08:59.111968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7870f29d9d83cd546e6ed49c74d4226264bd0410eb1a5654645605979f84b162

Aliases

arxiv: 2408.01662 · arxiv_version: 2408.01662v3 · doi: 10.48550/arxiv.2408.01662 · pith_short_12: PBYPFHM5QPGV · pith_short_16: PBYPFHM5QPGVI3TO · pith_short_8: PBYPFHM5

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/PBYPFHM5QPGVI3TO2SOHJVBCMJ \
  | 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: 7870f29d9d83cd546e6ed49c74d4226264bd0410eb1a5654645605979f84b162

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b709495d2d18d7a897905dc18e7e9d6df6a3de7f743111b18f23c6296fe034a1",
    "cross_cats_sorted": [
      "stat.CO",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2024-08-03T04:24:48Z",
    "title_canon_sha256": "6845da2d430b8101497990df96cf1478c87b2b6ebc1836a297b5e7da851e32c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2408.01662",
    "kind": "arxiv",
    "version": 3
  }
}