Pith Number

pith:PEV3KVRE

pith:2007:PEV3KVREZCWOS3SAK65EUX2BWP

not attested not anchored not stored refs pending

Local functional principal component analysis

Andr\'e Mas (I3M)

arxiv:math/0702609 v1 · 2007-02-21 · 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{PEV3KVREZCWOS3SAK65EUX2BWP}

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	2026-05-18T01:09:15.419895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

792bb55624c8ace96e4057ba4a5f41b3d57cf7167722f08e120211ef50c19c5a

Aliases

arxiv: math/0702609 · arxiv_version: math/0702609v1 · doi: 10.48550/arxiv.math/0702609 · pith_short_12: PEV3KVREZCWO · pith_short_16: PEV3KVREZCWOS3SA · pith_short_8: PEV3KVRE

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/PEV3KVREZCWOS3SAK65EUX2BWP \
  | 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: 792bb55624c8ace96e4057ba4a5f41b3d57cf7167722f08e120211ef50c19c5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51931e4201f90493c8adc7c60a2724371140763e0bce80170cf9dbf8ddef4616",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "",
    "primary_cat": "math.ST",
    "submitted_at": "2007-02-21T10:40:30Z",
    "title_canon_sha256": "2771ec3d7471e9c9c940d31b37a91ebf7fbdef21761829e64d4bffed960dd22a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0702609",
    "kind": "arxiv",
    "version": 1
  }
}