Pith Number

pith:CKVRC62E

pith:2013:CKVRC62E26MUOO4GBVHQDJZ66Z

not attested not anchored not stored refs pending

Sparse Solution of Underdetermined Linear Equations via Adaptively Iterative Thresholding

Jinshan Zeng, Shaobo Lin, Zongben Xu

arxiv:1310.3954 v1 · 2013-10-15 · 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{CKVRC62E26MUOO4GBVHQDJZ66Z}

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	2026-05-18T03:10:25.605604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12ab117b44d799473b860d4f01a73ef669ee736a4e76565886fc246730b0767d

Aliases

arxiv: 1310.3954 · arxiv_version: 1310.3954v1 · doi: 10.48550/arxiv.1310.3954 · pith_short_12: CKVRC62E26MU · pith_short_16: CKVRC62E26MUOO4G · pith_short_8: CKVRC62E

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/CKVRC62E26MUOO4GBVHQDJZ66Z \
  | 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: 12ab117b44d799473b860d4f01a73ef669ee736a4e76565886fc246730b0767d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83331221a59481bcafadc08a0fc0e09292ddbaa36741fec7a8462ef33f1e453f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-10-15T08:30:59Z",
    "title_canon_sha256": "0429a8a22d5c1b83efc607203e1688fd826d054db1c788e1816c62249d9e1373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.3954",
    "kind": "arxiv",
    "version": 1
  }
}