Pith Number

pith:QDSURSOE

pith:2012:QDSURSOE3G5HZGAUBHTLQ43WZA

not attested not anchored not stored refs pending

Corrected Kriging update formulae for batch-sequential data assimilation

Cl\'ement Chevalier (IRSN-SEC), David Ginsbourger

arxiv:1203.6452 v1 · 2012-03-29 · stat.ML · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDSURSOE3G5HZGAUBHTLQ43WZA}

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	2026-05-18T03:59:02.490655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80e548c9c4d9ba7c981409e6b87376c82b5512401be7d55920b690a83cda3b8a

Aliases

arxiv: 1203.6452 · arxiv_version: 1203.6452v1 · doi: 10.48550/arxiv.1203.6452 · pith_short_12: QDSURSOE3G5H · pith_short_16: QDSURSOE3G5HZGAU · pith_short_8: QDSURSOE

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/QDSURSOE3G5HZGAUBHTLQ43WZA \
  | 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: 80e548c9c4d9ba7c981409e6b87376c82b5512401be7d55920b690a83cda3b8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "820acb2b48e06816c2795af02913b2e23a3f349a56b647a99b55a942469822de",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-03-29T07:41:52Z",
    "title_canon_sha256": "3c5f1a7d83204e32d14bacef04971ecdb3cbb8e11197859d4b090bd176a5aed8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6452",
    "kind": "arxiv",
    "version": 1
  }
}