Pith Number

pith:SAAZRLYV

pith:2017:SAAZRLYV6T4IUEDTMLZPZ7GZ5U

not attested not anchored not stored refs pending

Learning Mixtures of Sparse Linear Regressions Using Sparse Graph Codes

Dong Yin, Kannan Ramchandran, Ramtin Pedarsani, Yudong Chen

arxiv:1703.00641 v2 · 2017-03-02 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SAAZRLYV6T4IUEDTMLZPZ7GZ5U}

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	2026-05-18T00:09:05.869277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

900198af15f4f88a107362f2fcfcd9ed3a6e76f74c7415c10c3c65cf20641381

Aliases

arxiv: 1703.00641 · arxiv_version: 1703.00641v2 · doi: 10.48550/arxiv.1703.00641 · pith_short_12: SAAZRLYV6T4I · pith_short_16: SAAZRLYV6T4IUEDT · pith_short_8: SAAZRLYV

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/SAAZRLYV6T4IUEDTMLZPZ7GZ5U \
  | 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: 900198af15f4f88a107362f2fcfcd9ed3a6e76f74c7415c10c3c65cf20641381

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12d50aee90476fa5bde5be31d3f19d5096b552bcfc18b2e50cc88d4dca89d8c4",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-02T07:15:41Z",
    "title_canon_sha256": "b3a3231bc54db0adba970bbd5df450de049e6259a9cd4767f58555cb36caf60d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00641",
    "kind": "arxiv",
    "version": 2
  }
}