Pith Number

pith:6YDD2TG7

pith:2011:6YDD2TG7WORLD6KKG6RAHVTYRA

not attested not anchored not stored refs pending

Explicit Approximations of the Gaussian Kernel

Andrew Cotter, Joseph Keshet, Nathan Srebro

arxiv:1109.4603 v1 · 2011-09-21 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6YDD2TG7WORLD6KKG6RAHVTYRA}

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	2026-05-18T04:12:34.376947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6063d4cdfb3a2b1f94a37a203d67888034716dd656205de595ae405803554e2

Aliases

arxiv: 1109.4603 · arxiv_version: 1109.4603v1 · doi: 10.48550/arxiv.1109.4603 · pith_short_12: 6YDD2TG7WORL · pith_short_16: 6YDD2TG7WORLD6KK · pith_short_8: 6YDD2TG7

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/6YDD2TG7WORLD6KKG6RAHVTYRA \
  | 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: f6063d4cdfb3a2b1f94a37a203d67888034716dd656205de595ae405803554e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "234d66c7e3bad172b6bbb7eb8001a2c3d2209160cdcf99d884c2d8c23bf9b69a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2011-09-21T18:11:05Z",
    "title_canon_sha256": "0be3476fe4530d2a25cac5937c66538f82213b69bdebc3266606686929d18446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4603",
    "kind": "arxiv",
    "version": 1
  }
}