Pith. sign in
Pith Number

pith:FSKYOAN6

pith:2021:FSKYOAN6YAYULUIVYZPF322EMD
not attested not anchored not stored refs pending

Degenerate Preconditioned Proximal Point algorithms

Dirk A. Lorenz, Emanuele Naldi, Enis Chenchene, Kristian Bredies

arxiv:2109.11481 v1 · 2021-09-23 · math.OC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FSKYOAN6YAYULUIVYZPF322EMD}

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 2026-07-05T03:16:58.462247Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2c958701bec03145d115c65e5deb4460c2fc5f96a6fee5c3ab75741f74900b85

Aliases

arxiv: 2109.11481 · arxiv_version: 2109.11481v1 · doi: 10.48550/arxiv.2109.11481 · pith_short_12: FSKYOAN6YAYU · pith_short_16: FSKYOAN6YAYULUIV · pith_short_8: FSKYOAN6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FSKYOAN6YAYULUIVYZPF322EMD \
  | 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: 2c958701bec03145d115c65e5deb4460c2fc5f96a6fee5c3ab75741f74900b85
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f1d04398414ec11022fbb11ec2ff466c2e362f197f6ca26f142d920ad2cc0ab5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-09-23T16:35:27Z",
    "title_canon_sha256": "1c96a306302e72473b2b58c57b03f95dbc4fd3ec7e2eec980a02854e08d94814"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11481",
    "kind": "arxiv",
    "version": 1
  }
}