Pith Number

pith:SQWXTIBR

pith:2018:SQWXTIBRGNXNWK7JHUAQV3XKHO

not attested not anchored not stored refs pending

Heteroscedastic Gaussian processes for uncertainty modeling in large-scale crowdsourced traffic data

Filipe Rodrigues, Francisco C. Pereira

arxiv:1812.08733 v1 · 2018-12-20 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SQWXTIBRGNXNWK7JHUAQV3XKHO}

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	2026-05-17T23:57:49.279803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

942d79a031336edb2be93d010aeeea3bb7ace802dc4d1ae329f648145d80c3c9

Aliases

arxiv: 1812.08733 · arxiv_version: 1812.08733v1 · doi: 10.48550/arxiv.1812.08733 · pith_short_12: SQWXTIBRGNXN · pith_short_16: SQWXTIBRGNXNWK7J · pith_short_8: SQWXTIBR

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/SQWXTIBRGNXNWK7JHUAQV3XKHO \
  | 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: 942d79a031336edb2be93d010aeeea3bb7ace802dc4d1ae329f648145d80c3c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef69011f93b139af63af35f0b9c9ed63aeb49dee527683f55e0b380e4e8e644e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2018-12-20T18:06:57Z",
    "title_canon_sha256": "9423d4a9089b6752df0fdbeee3cfd467748e188821d752fa74cf81af3492a8c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08733",
    "kind": "arxiv",
    "version": 1
  }
}