Pith Number

pith:DZZ43OUG

pith:2016:DZZ43OUGBL2V26AU342J2WX3JL

not attested not anchored not stored refs pending

Sparse l1 Regularisation of Matrix Valued Models for Acoustic Source Characterisation

Ennes Sarradj, Gert Herold, Laurent Hoeltgen, Michael Breu{\ss}

arxiv:1607.00171 v1 · 2016-07-01 · 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{DZZ43OUGBL2V26AU342J2WX3JL}

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	2026-05-18T01:11:37.928423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e73cdba860af55d7814df349d5afb4afb9335fd392fd45f6acbb7ec279feb5a

Aliases

arxiv: 1607.00171 · arxiv_version: 1607.00171v1 · doi: 10.48550/arxiv.1607.00171 · pith_short_12: DZZ43OUGBL2V · pith_short_16: DZZ43OUGBL2V26AU · pith_short_8: DZZ43OUG

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/DZZ43OUGBL2V26AU342J2WX3JL \
  | 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: 1e73cdba860af55d7814df349d5afb4afb9335fd392fd45f6acbb7ec279feb5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba480073aeff8766d6ae5f190cb3d067fc2f8e5dfd90d860b5d2727a463871ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-07-01T09:29:06Z",
    "title_canon_sha256": "829ee45822c517915bececafc9312cab78b343b88670487d4987d58cc9e1a636"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.00171",
    "kind": "arxiv",
    "version": 1
  }
}