pith. sign in
Pith Number

pith:PETZDJ6F

pith:2014:PETZDJ6FE3DYP3PY7PEIYMC7NJ
not attested not anchored not stored refs pending

Structured Dictionary Learning for Classification

Minh Dao, Trac D. Tran, Umamahesh Srinivas, Vishal Monga, Yuanming Suo

arxiv:1406.1943 v1 · 2014-06-08 · cs.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PETZDJ6FE3DYP3PY7PEIYMC7NJ}

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 2026-05-18T02:50:12.183294Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

792791a7c526c787edf8fbc88c305f6a423f5dc9179fc15e34487c4313e6453b

Aliases

arxiv: 1406.1943 · arxiv_version: 1406.1943v1 · doi: 10.48550/arxiv.1406.1943 · pith_short_12: PETZDJ6FE3DY · pith_short_16: PETZDJ6FE3DYP3PY · pith_short_8: PETZDJ6F
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PETZDJ6FE3DYP3PY7PEIYMC7NJ \
  | 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: 792791a7c526c787edf8fbc88c305f6a423f5dc9179fc15e34487c4313e6453b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "78e0d775139e419b69c8642b208ac06cf9eff5d73da329dd9c8a4a4304f6eaa2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2014-06-08T02:51:45Z",
    "title_canon_sha256": "f5e26ca22f917329039fc553b67ab3eb5842f96af28a3e7004820f2fe25c0e8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1943",
    "kind": "arxiv",
    "version": 1
  }
}