Pith Number

pith:UE62UXMB

pith:2009:UE62UXMBNMPZDTDP3QCX7WFKZJ

not attested not anchored not stored refs pending

MAP model selection in Gaussian regression

Felix Abramovich, Vadim Grinshtein

arxiv:0912.4387 v3 · 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{UE62UXMBNMPZDTDP3QCX7WFKZJ}

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	2026-05-18T04:41:05.170998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a13daa5d816b1f91cc6fdc057fd8aaca60be5a4472aa9718ee779d9f0429e8f3

Aliases

arxiv: 0912.4387 · arxiv_version: 0912.4387v3 · doi: 10.48550/arxiv.0912.4387 · pith_short_12: UE62UXMBNMPZ · pith_short_16: UE62UXMBNMPZDTDP · pith_short_8: UE62UXMB

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/UE62UXMBNMPZDTDP3QCX7WFKZJ \
  | 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: a13daa5d816b1f91cc6fdc057fd8aaca60be5a4472aa9718ee779d9f0429e8f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b46fc880144f1f8981d3727d08ee7120d268dc1f9572842eef8efc682870b72",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2009-12-22T12:30:47Z",
    "title_canon_sha256": "7c0ae3505f0d290537091bd9f4345f35aca78e18c57bb7ee43b7a53eae8d1cf8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4387",
    "kind": "arxiv",
    "version": 3
  }
}