Pith Number

pith:PPKDWZXQ

pith:2018:PPKDWZXQ2LZTVIZVG2O7SLKO7W

not attested not anchored not stored refs pending

Composite Gaussian Processes: Scalable Computation and Performance Analysis

Dave Zachariah, Edith C. H. Ngai, Xiuming Liu

arxiv:1802.00045 v1 · 2018-01-31 · 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{PPKDWZXQ2LZTVIZVG2O7SLKO7W}

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	2026-05-18T00:24:36.923639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bd43b66f0d2f33aa335369df92d4efdb3ea5b6727a131888980ffa95f710783

Aliases

arxiv: 1802.00045 · arxiv_version: 1802.00045v1 · doi: 10.48550/arxiv.1802.00045 · pith_short_12: PPKDWZXQ2LZT · pith_short_16: PPKDWZXQ2LZTVIZV · pith_short_8: PPKDWZXQ

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/PPKDWZXQ2LZTVIZVG2O7SLKO7W \
  | 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: 7bd43b66f0d2f33aa335369df92d4efdb3ea5b6727a131888980ffa95f710783

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f08c233e15152ce59557068fffe9023e2a9372b2ec9374e35f9b3bdd13ca0cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-01-31T20:01:37Z",
    "title_canon_sha256": "3ca63dfdafcc063b60307bcafa254d57ebddfc48305cefa9d16cc2e041801371"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.00045",
    "kind": "arxiv",
    "version": 1
  }
}