Pith Number

pith:UXZ36FS6

pith:2019:UXZ36FS6EAD2HHFVVSAMLFR2A5

not attested not anchored not stored refs pending

Compact Approximation for Polynomial of Covariance Feature

Tatsuaki Machida, Tatsuya Harada, Yusuke Mukuta

arxiv:1906.01851 v1 · 2019-06-05 · cs.CV · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UXZ36FS6EAD2HHFVVSAMLFR2A5}

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	2026-05-17T23:44:05.984714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5f3bf165e2007a39cb5ac80c5963a076d3cbdb85dadffd1a1a837b99ca98868

Aliases

arxiv: 1906.01851 · arxiv_version: 1906.01851v1 · doi: 10.48550/arxiv.1906.01851 · pith_short_12: UXZ36FS6EAD2 · pith_short_16: UXZ36FS6EAD2HHFV · pith_short_8: UXZ36FS6

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/UXZ36FS6EAD2HHFVVSAMLFR2A5 \
  | 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: a5f3bf165e2007a39cb5ac80c5963a076d3cbdb85dadffd1a1a837b99ca98868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44ba9902f133fbe6fc0ce6ca06c8898d351c59e80fba5f145ba21223f5f80c5d",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-06-05T06:46:58Z",
    "title_canon_sha256": "c6f2b9fcf5227eabdafdf7a298738e557a46651ac65fd2f46cabcdfed005c29e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.01851",
    "kind": "arxiv",
    "version": 1
  }
}