Pith Number

pith:5UCM2RYQ

pith:2015:5UCM2RYQ7WAIRMY54R5BCVNNP2

not attested not anchored not stored refs pending

Fast Gaussian Process Regression for Big Data

Rajiv Sambasivan, Sasanka Roy, Sourish Das

arxiv:1509.05142 v6 · 2015-09-17 · cs.LG · 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{5UCM2RYQ7WAIRMY54R5BCVNNP2}

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	2026-05-18T00:37:48.852184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed04cd4710fd8088b31de47a1155ad7e9097436d8ae926377c539edac5443727

Aliases

arxiv: 1509.05142 · arxiv_version: 1509.05142v6 · doi: 10.48550/arxiv.1509.05142 · pith_short_12: 5UCM2RYQ7WAI · pith_short_16: 5UCM2RYQ7WAIRMY5 · pith_short_8: 5UCM2RYQ

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/5UCM2RYQ7WAIRMY54R5BCVNNP2 \
  | 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: ed04cd4710fd8088b31de47a1155ad7e9097436d8ae926377c539edac5443727

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9afbd8c436bb3d80f43bd44c56022c8117c4485363b669ad68c9d21a6cdb90c2",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-09-17T06:18:08Z",
    "title_canon_sha256": "b24be9e2b84130758b0f2d473cf15d3b2f0aae9fe2d51bc9781af84e436f90ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05142",
    "kind": "arxiv",
    "version": 6
  }
}