Pith Number

pith:A6YLJIHL

pith:2017:A6YLJIHLENWHNH6TOMJT2H5R7C

not attested not anchored not stored refs pending

Compressed Covariance Estimation With Automated Dimension Learning

Anirban Bhattacharya, Debdeep Pati, Gautam Sabnis

arxiv:1704.00247 v1 · 2017-04-02 · 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{A6YLJIHLENWHNH6TOMJT2H5R7C}

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	2026-05-18T00:47:25.020494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b0b4a0eb236c769fd373133d1fb1f88f4fbf8aab5ff2c4fa1be85bf57f91c6

Aliases

arxiv: 1704.00247 · arxiv_version: 1704.00247v1 · doi: 10.48550/arxiv.1704.00247 · pith_short_12: A6YLJIHLENWH · pith_short_16: A6YLJIHLENWHNH6T · pith_short_8: A6YLJIHL

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/A6YLJIHLENWHNH6TOMJT2H5R7C \
  | 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: 07b0b4a0eb236c769fd373133d1fb1f88f4fbf8aab5ff2c4fa1be85bf57f91c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "654908086fa3c15b944f953ffe2b42c6887aca27e48621e6c67117e606e45237",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2017-04-02T03:05:02Z",
    "title_canon_sha256": "0aa1ef09606b16f073190b560b96d716ba0131135e81d72a756877826370852d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00247",
    "kind": "arxiv",
    "version": 1
  }
}