Pith Number

pith:AIZY3CG6

pith:2018:AIZY3CG6XHBEZT2CDHWS4OKB4B

not attested not anchored not stored refs pending

Iterative thresholding algorithm based on non-convex method for modified lp-norm regularization minimization

Angang Cui, Haiyang Li, Jiajun Xiong, Jigen Peng, Meng Wen

arxiv:1804.09385 v1 · 2018-04-25 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AIZY3CG6XHBEZT2CDHWS4OKB4B}

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	2026-05-18T00:17:31.987463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02338d88deb9c24ccf4219ed2e3941e04993f3e90f6b54dea53a86fadf91140c

Aliases

arxiv: 1804.09385 · arxiv_version: 1804.09385v1 · doi: 10.48550/arxiv.1804.09385 · pith_short_12: AIZY3CG6XHBE · pith_short_16: AIZY3CG6XHBEZT2C · pith_short_8: AIZY3CG6

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/AIZY3CG6XHBEZT2CDHWS4OKB4B \
  | 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: 02338d88deb9c24ccf4219ed2e3941e04993f3e90f6b54dea53a86fadf91140c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2cea77734c8d3376aa3dceb152fc3ff68832c2fb89a85817cff9d666a1e58ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-04-25T06:58:09Z",
    "title_canon_sha256": "df964bbbf2f2554e397da7e01eaba03e3b03e057dec2fb76b5d7ce8a0ef1d871"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09385",
    "kind": "arxiv",
    "version": 1
  }
}