pith. sign in
Pith Number

pith:N4HHUMIM

pith:2012:N4HHUMIMQAJJLIMONKS3WZ7YCW
not attested not anchored not stored refs pending

Variance function estimation in high-dimensions

James Sharpnack, Mladen Kolar

arxiv:1205.4770 v1 · 2012-05-21 · stat.ML · stat.ME

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{N4HHUMIMQAJJLIMONKS3WZ7YCW}

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 2026-05-18T03:55:11.696643Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6f0e7a310c801295a18e6aa5bb67f815ad53bbe066b09a42f787d850ba37138f

Aliases

arxiv: 1205.4770 · arxiv_version: 1205.4770v1 · doi: 10.48550/arxiv.1205.4770 · pith_short_12: N4HHUMIMQAJJ · pith_short_16: N4HHUMIMQAJJLIMO · pith_short_8: N4HHUMIM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/N4HHUMIMQAJJLIMONKS3WZ7YCW \
  | 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: 6f0e7a310c801295a18e6aa5bb67f815ad53bbe066b09a42f787d850ba37138f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "40d09f4384d77c7083c1c961975248a02ce8cd8fee226125fb972b65ad5780f7",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2012-05-21T23:35:49Z",
    "title_canon_sha256": "2c4ffb8ff973254c7b7770f4f502885b0d43d0c5d5912fff99c13a92bebdab90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.4770",
    "kind": "arxiv",
    "version": 1
  }
}