Pith Number

pith:7DOJYZRS

pith:2019:7DOJYZRS4WGKHJSKA6WJF52ZIF

not attested not anchored not stored refs pending

A Fast Algorithm for Cosine Transform Based Tensor Singular Value Decomposition

Michael Ng, Wen-hao Xu, Xi-Le Zhao

arxiv:1902.03070 v1 · 2019-02-08 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DOJYZRS4WGKHJSKA6WJF52ZIF}

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	2026-05-17T23:54:28.054001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8dc9c6632e58ca3a64a07ac92f759414cd69c6d64e84e40e5148311b607a875

Aliases

arxiv: 1902.03070 · arxiv_version: 1902.03070v1 · doi: 10.48550/arxiv.1902.03070 · pith_short_12: 7DOJYZRS4WGK · pith_short_16: 7DOJYZRS4WGKHJSK · pith_short_8: 7DOJYZRS

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/7DOJYZRS4WGKHJSKA6WJF52ZIF \
  | 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: f8dc9c6632e58ca3a64a07ac92f759414cd69c6d64e84e40e5148311b607a875

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a8c0a328762d719d1d8debe0890790b53b022580ca365967d80a675b022359f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-02-08T13:21:37Z",
    "title_canon_sha256": "3a055b919754a878f19fe98a467668e89458e41ce7decb77bbd7ab2b33fb7da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03070",
    "kind": "arxiv",
    "version": 1
  }
}