Pith Number

pith:7IFYKIO2

pith:2019:7IFYKIO2P3OOQYE5DOL4WFUHRR

not attested not anchored not stored refs pending

Analysis Dictionary Learning: An Efficient and Discriminative Solution

Ashkan Panahi, Hamid Krim, Liyi Dai, Wen Tang

arxiv:1903.03058 v1 · 2019-03-07 · 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{7IFYKIO2P3OOQYE5DOL4WFUHRR}

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	2026-05-17T23:51:50.266205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa0b8521da7edce8609d1b97cb16878c7f2d3facd4891e9f6b47bec4867686ca

Aliases

arxiv: 1903.03058 · arxiv_version: 1903.03058v1 · doi: 10.48550/arxiv.1903.03058 · pith_short_12: 7IFYKIO2P3OO · pith_short_16: 7IFYKIO2P3OOQYE5 · pith_short_8: 7IFYKIO2

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/7IFYKIO2P3OOQYE5DOL4WFUHRR \
  | 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: fa0b8521da7edce8609d1b97cb16878c7f2d3facd4891e9f6b47bec4867686ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85a8a28417589bed4f8590a1efd449895951eec5110ed425cf40c9e5144d580a",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-03-07T17:32:32Z",
    "title_canon_sha256": "874f9abf12785915c83dd58100582b96153e50d110dcbe1a846077038a7ef574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03058",
    "kind": "arxiv",
    "version": 1
  }
}