Pith Number

pith:DPOXZETX

pith:2016:DPOXZETXUQRQQR6WWTNV5F6Q7B

not attested not anchored not stored refs pending

The Goodness of Covariance Selection Problem from AUC Bounds

Anthony Kuh, Navid Tafaghodi Khajavi

arxiv:1608.07015 v1 · 2016-08-25 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPOXZETXUQRQQR6WWTNV5F6Q7B}

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	2026-05-18T01:07:56.290794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bdd7c9277a4230847d6b4db5e97d0f8589e12652d69c72d22d6774f8c309fa8

Aliases

arxiv: 1608.07015 · arxiv_version: 1608.07015v1 · doi: 10.48550/arxiv.1608.07015 · pith_short_12: DPOXZETXUQRQ · pith_short_16: DPOXZETXUQRQQR6W · pith_short_8: DPOXZETX

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/DPOXZETXUQRQQR6WWTNV5F6Q7B \
  | 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: 1bdd7c9277a4230847d6b4db5e97d0f8589e12652d69c72d22d6774f8c309fa8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc6bc0348b19c48b016ec181ff7ec797dc0b829eec6eb3df5909610561a4e353",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-08-25T04:26:57Z",
    "title_canon_sha256": "8ca848cf92091769cf548ac7fe8b8d663ba082914ed6b0c58bb6667f69ff3544"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.07015",
    "kind": "arxiv",
    "version": 1
  }
}