Pith Number

pith:QQ5RTZDZ

pith:2016:QQ5RTZDZ5EKSS42G6YQIEZLI6U

not attested not anchored not stored refs pending

Technical Report: A Generalized Matching Pursuit Approach for Graph-Structured Sparsity

Baojian Zhou, Feng Chen

arxiv:1612.03364 v1 · 2016-12-11 · cs.LG · cs.AI · 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{QQ5RTZDZ5EKSS42G6YQIEZLI6U}

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	2026-05-18T00:54:52.402435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

843b19e479e915297346f620826568f502dea17f8cdcbaf243a2c90c4c809009

Aliases

arxiv: 1612.03364 · arxiv_version: 1612.03364v1 · doi: 10.48550/arxiv.1612.03364 · pith_short_12: QQ5RTZDZ5EKS · pith_short_16: QQ5RTZDZ5EKSS42G · pith_short_8: QQ5RTZDZ

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/QQ5RTZDZ5EKSS42G6YQIEZLI6U \
  | 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: 843b19e479e915297346f620826568f502dea17f8cdcbaf243a2c90c4c809009

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dded993ac7298a348553ca6d7628b6cbb081b24ec754584a8586ec5ba28c87a3",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-12-11T01:57:50Z",
    "title_canon_sha256": "955eea681583b8689cff26e470bd6def613888420dcb0fb44b05f9f15836f879"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.03364",
    "kind": "arxiv",
    "version": 1
  }
}