Pith Number

pith:G3YCBTHN

pith:2014:G3YCBTHNIBZLRZXQAHVHLAQZX7

not attested not anchored not stored refs pending

Dictionary Learning over Distributed Models

Ali H. Sayed, Jianshu Chen, Zaid J. Towfic

arxiv:1402.1515 v2 · 2014-02-06 · cs.LG · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G3YCBTHNIBZLRZXQAHVHLAQZX7}

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	2026-05-18T01:44:46.694355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36f020cced4072b8e6f001ea758219bfd196af89272e919a582e1a8fde1a6801

Aliases

arxiv: 1402.1515 · arxiv_version: 1402.1515v2 · doi: 10.48550/arxiv.1402.1515 · pith_short_12: G3YCBTHNIBZL · pith_short_16: G3YCBTHNIBZLRZXQ · pith_short_8: G3YCBTHN

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/G3YCBTHNIBZLRZXQAHVHLAQZX7 \
  | 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: 36f020cced4072b8e6f001ea758219bfd196af89272e919a582e1a8fde1a6801

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b171999ef1d036a2b0fcebd8f71dc20a20df84bc3a5578038f151406ecc9b13",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2014-02-06T22:19:19Z",
    "title_canon_sha256": "5515a78645d6ca2c57f51e3728b8555310e0cdca216db33187081df9c0832764"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1515",
    "kind": "arxiv",
    "version": 2
  }
}