Pith Number

pith:EFPOD4HZ

pith:2008:EFPOD4HZCNL2VVP3M6CESKV3HJ

not attested not anchored not stored refs pending

Manifold Learning: The Price of Normalization

A. Zakai, D. Kushnir, Y. Goldberg, Y. Ritov

arxiv:0806.2646 v1 · 2008-06-16 · 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{EFPOD4HZCNL2VVP3M6CESKV3HJ}

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	2026-07-04T15:12:14.875583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

215ee1f0f91357aad5fb6784492abb3a6851931642c57cb0bcd8d2a67da5834d

Aliases

arxiv: 0806.2646 · arxiv_version: 0806.2646v1 · doi: 10.48550/arxiv.0806.2646 · pith_short_12: EFPOD4HZCNL2 · pith_short_16: EFPOD4HZCNL2VVP3 · pith_short_8: EFPOD4HZ

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/EFPOD4HZCNL2VVP3M6CESKV3HJ \
  | 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: 215ee1f0f91357aad5fb6784492abb3a6851931642c57cb0bcd8d2a67da5834d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b2996faec9d2e8345abe1a70eae9d909efa1ada64a780b2b642f7b581c095ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2008-06-16T19:54:49Z",
    "title_canon_sha256": "1569fc44149629590a9c0f3bb47be14b72a599e4afb0535d219cbf5dd3f624a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.2646",
    "kind": "arxiv",
    "version": 1
  }
}