Pith Number

pith:AYGC3C7K

pith:2012:AYGC3C7K7KQVKWKNBP2O6WRS47

not attested not anchored not stored refs pending

Robust functional principal components: A projection-pursuit approach

David E. Tyler, Graciela Boente, Jane-Ling Wang, Juan Lucas Bali

arxiv:1203.2027 v1 · 2012-03-09 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYGC3C7K7KQVKWKNBP2O6WRS47}

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	2026-05-18T04:00:27.664973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

060c2d8beafaa155594d0bf4ef5a32e7c092aa0583a978b95549509ee93d901f

Aliases

arxiv: 1203.2027 · arxiv_version: 1203.2027v1 · doi: 10.48550/arxiv.1203.2027 · pith_short_12: AYGC3C7K7KQV · pith_short_16: AYGC3C7K7KQVKWKN · pith_short_8: AYGC3C7K

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/AYGC3C7K7KQVKWKNBP2O6WRS47 \
  | 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: 060c2d8beafaa155594d0bf4ef5a32e7c092aa0583a978b95549509ee93d901f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72ec95a303b1fe1bea39ac1141a10c000c054bebaaf8cf832cf74c5e00457d51",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-03-09T09:37:45Z",
    "title_canon_sha256": "678907c2589a574274b0873fa07f2d85b8302452a35b29d209b10fc023cb121e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2027",
    "kind": "arxiv",
    "version": 1
  }
}