Pith Number

pith:KTOUN4C3

pith:2018:KTOUN4C3NPAGQCJSRZKOYW75DB

not attested not anchored not stored refs pending

An L$_0$L$_1$-norm compressive sensing paradigm for the construction of sparse predictive lattice models using mixed integer quadratic programming

Alexander Urban, Alexandra Toumar, Gerbrand Ceder, Hena Das, Nongnuch Artrith, Penghao Xiao, Tina Chen, Wenxuan Huang, Ziqin Rong

arxiv:1807.10753 v1 · 2018-07-16 · physics.comp-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTOUN4C3NPAGQCJSRZKOYW75DB}

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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	2026-05-18T00:09:39.655857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54dd46f05b6bc06809328e54ec5bfd185f9fe030432b934f96d0f72e4e4b2a9e

Aliases

arxiv: 1807.10753 · arxiv_version: 1807.10753v1 · doi: 10.48550/arxiv.1807.10753 · pith_short_12: KTOUN4C3NPAG · pith_short_16: KTOUN4C3NPAGQCJS · pith_short_8: KTOUN4C3

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/KTOUN4C3NPAGQCJSRZKOYW75DB \
  | 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: 54dd46f05b6bc06809328e54ec5bfd185f9fe030432b934f96d0f72e4e4b2a9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085ee8026df51d586fcc8e1b7e7ea669a8488a39bb3cca41da7e88ff0614cff5",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-07-16T14:37:36Z",
    "title_canon_sha256": "8edcfad7b2c5c32b530784d92bab089dedbee4eac8983a7e49acb56912179aa3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10753",
    "kind": "arxiv",
    "version": 1
  }
}