Pith Number

pith:KEQGAAXQ

pith:2016:KEQGAAXQV7BQ3RFU467Q7HMRCZ

not attested not anchored not stored refs pending

Fast Orthonormal Sparsifying Transforms Based on Householder Reflectors

Cristian Rusu, Nuria Gonzalez-Prelcic, Robert Heath

arxiv:1611.08229 v1 · 2016-11-24 · cs.LG · 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{KEQGAAXQV7BQ3RFU467Q7HMRCZ}

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	2026-05-18T00:56:18.859601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51206002f0afc30dc4b4e7bf0f9d9116786a7058af3bf06d1abfca58cbb1fb4e

Aliases

arxiv: 1611.08229 · arxiv_version: 1611.08229v1 · doi: 10.48550/arxiv.1611.08229 · pith_short_12: KEQGAAXQV7BQ · pith_short_16: KEQGAAXQV7BQ3RFU · pith_short_8: KEQGAAXQ

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/KEQGAAXQV7BQ3RFU467Q7HMRCZ \
  | 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: 51206002f0afc30dc4b4e7bf0f9d9116786a7058af3bf06d1abfca58cbb1fb4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6862d7a1766d56f6d50eb9d3387459ec949f2cf35538dcf0a1b2bc7c8e93d90",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-11-24T15:53:59Z",
    "title_canon_sha256": "9b3af93d88a4739e930921c82a96c64bf62304782ba92ea25a319f7c86007807"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.08229",
    "kind": "arxiv",
    "version": 1
  }
}