Pith Number

pith:KPCJLDNH

pith:2015:KPCJLDNHFRS5LB4OG2U6YP6X66

not attested not anchored not stored refs pending

On Combining Estimation Problems Under Quadratic Loss: A Generalization

Severien Nkurunziza

arxiv:1509.01541 v1 · 2015-09-04 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPCJLDNHFRS5LB4OG2U6YP6X66}

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	2026-05-18T01:33:57.489279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53c4958da72c65d5878e36a9ec3fd7f787096f7230d6b880536250db1d106827

Aliases

arxiv: 1509.01541 · arxiv_version: 1509.01541v1 · doi: 10.48550/arxiv.1509.01541 · pith_short_12: KPCJLDNHFRS5 · pith_short_16: KPCJLDNHFRS5LB4O · pith_short_8: KPCJLDNH

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/KPCJLDNHFRS5LB4OG2U6YP6X66 \
  | 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: 53c4958da72c65d5878e36a9ec3fd7f787096f7230d6b880536250db1d106827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b486efaaf8c4f8a1031963a1c2258b6e1b1a9d86a707b0c104a24b27a3297771",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-09-04T17:52:14Z",
    "title_canon_sha256": "64b888121bbe7cd1901094dcb9bb5c4740f2241d6ad4313010ddd280444ebaff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01541",
    "kind": "arxiv",
    "version": 1
  }
}