Pith Number

pith:RLISZNZT

pith:2022:RLISZNZTXRLZITBLYTSVIU2ABM

not attested not anchored not stored refs pending

An SDP Relaxation for the Sparse Integer Least Squares Problem

Alberto Del Pia, Dekun Zhou

arxiv:2203.02607 v3 · 2022-03-04 · math.OC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RLISZNZTXRLZITBLYTSVIU2ABM}

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	2026-05-20T00:02:01.024964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ad12cb733bc57944c2bc4e55453400b3da6c8877cc0b064d8091b73129cec87

Aliases

arxiv: 2203.02607 · arxiv_version: 2203.02607v3 · doi: 10.48550/arxiv.2203.02607 · pith_short_12: RLISZNZTXRLZ · pith_short_16: RLISZNZTXRLZITBL · pith_short_8: RLISZNZT

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/RLISZNZTXRLZITBLYTSVIU2ABM \
  | 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: 8ad12cb733bc57944c2bc4e55453400b3da6c8877cc0b064d8091b73129cec87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "024f5772bee8b612b511a3f0b6f10b99cd11eae82f19ded3128a7dea058c8f97",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-03-04T23:21:38Z",
    "title_canon_sha256": "bc82a84f365009d404debd9dcc0785608b4125fc0767c88bac4d8bccae4a20f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.02607",
    "kind": "arxiv",
    "version": 3
  }
}