Pith Number

pith:LXH3ZAFF

pith:2013:LXH3ZAFFES422KCETQRLNK6MMR

not attested not anchored not stored refs pending

Non-linear dimensionality reduction: Riemannian metric estimation and the problem of geometric discovery

Dominique Perraul-Joncas, Marina Meila

arxiv:1305.7255 v1 · 2013-05-30 · 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{LXH3ZAFFES422KCETQRLNK6MMR}

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	2026-05-18T03:22:07.400597Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5dcfbc80a524b9ad28449c22b6abcc6447dfd9986d7a100ce505b54e86840878

Aliases

arxiv: 1305.7255 · arxiv_version: 1305.7255v1 · doi: 10.48550/arxiv.1305.7255 · pith_short_12: LXH3ZAFFES42 · pith_short_16: LXH3ZAFFES422KCE · pith_short_8: LXH3ZAFF

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/LXH3ZAFFES422KCETQRLNK6MMR \
  | 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: 5dcfbc80a524b9ad28449c22b6abcc6447dfd9986d7a100ce505b54e86840878

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a01bf18467d9289c4fd8e8f8f09bfd4c644142941e507fb229f37d14c1c3322",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-05-30T21:16:04Z",
    "title_canon_sha256": "4086b157a87c6a57633da9c333beb66a39a20cd34c03ac09c18905b85d765867"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.7255",
    "kind": "arxiv",
    "version": 1
  }
}