Pith Number

pith:OYKDC526

pith:2009:OYKDC526E4ADG66WTNPVBCOTU5

not attested not anchored not stored refs pending

Spatial adaptation in heteroscedastic regression: Propagation approach

Nora Serdyukova

arxiv:0912.4489 v5 · 2009-12-22 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYKDC526E4ADG66WTNPVBCOTU5}

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	2026-05-18T03:48:48.338108Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

761431775e2700337bd69b5f5089d3a7411f1d133ef26842a35ce76c1489c736

Aliases

arxiv: 0912.4489 · arxiv_version: 0912.4489v5 · doi: 10.48550/arxiv.0912.4489 · pith_short_12: OYKDC526E4AD · pith_short_16: OYKDC526E4ADG66W · pith_short_8: OYKDC526

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/OYKDC526E4ADG66WTNPVBCOTU5 \
  | 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: 761431775e2700337bd69b5f5089d3a7411f1d133ef26842a35ce76c1489c736

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4c1431691151d66ceaeda033e89ec43a5a2cdab5ce44a9e2e93b9d1185edc30",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2009-12-22T18:58:40Z",
    "title_canon_sha256": "ec432985d5feec2e9ccef2701195378db372a050808bed0d96d043e9087bebe2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4489",
    "kind": "arxiv",
    "version": 5
  }
}