Pith Number

pith:S64HS4CX

pith:2016:S64HS4CXYJXZTGQJ5OQRA7QCJB

not attested not anchored not stored refs pending

A multilevel based reweighting algorithm with joint regularizers for sparse recovery

Jackie Ma, Maximilian M\"arz

arxiv:1604.06941 v3 · 2016-04-23 · 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{S64HS4CXYJXZTGQJ5OQRA7QCJB}

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	2026-05-18T00:43:30.722700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97b8797057c26f999a09eba1107e02485da871273205682df68832cbbf44f827

Aliases

arxiv: 1604.06941 · arxiv_version: 1604.06941v3 · doi: 10.48550/arxiv.1604.06941 · pith_short_12: S64HS4CXYJXZ · pith_short_16: S64HS4CXYJXZTGQJ · pith_short_8: S64HS4CX

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/S64HS4CXYJXZTGQJ5OQRA7QCJB \
  | 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: 97b8797057c26f999a09eba1107e02485da871273205682df68832cbbf44f827

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffaf02e7e577306926652de12109eaff147d442ad1295def1f563aae6cdb1b96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-04-23T19:25:17Z",
    "title_canon_sha256": "520549992036ee38a098d5cc5759a54037481aeee3cbd96fb621488354e73eb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.06941",
    "kind": "arxiv",
    "version": 3
  }
}