Pith Number

pith:WBCUDLV3

pith:2018:WBCUDLV32WTGLKS4OHEM5OAPD4

not attested not anchored not stored refs pending

The Cyclic Douglas-Rachford Algorithm with r-sets-Douglas-Rachford Operators

Aviv Gibali, Francisco J. Arag\'on Artacho, Yair Censor

arxiv:1801.00480 v2 · 2018-01-01 · 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{WBCUDLV32WTGLKS4OHEM5OAPD4}

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	2026-05-18T00:10:38.711874Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b04541aebbd5a665aa5c71c8ceb80f1f2acc6c91b2213e88b66b77ca032f4275

Aliases

arxiv: 1801.00480 · arxiv_version: 1801.00480v2 · doi: 10.48550/arxiv.1801.00480 · pith_short_12: WBCUDLV32WTG · pith_short_16: WBCUDLV32WTGLKS4 · pith_short_8: WBCUDLV3

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/WBCUDLV32WTGLKS4OHEM5OAPD4 \
  | 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: b04541aebbd5a665aa5c71c8ceb80f1f2acc6c91b2213e88b66b77ca032f4275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "490bbee1bf28c4b6a388c176c5d3609c798bc12750735c217c0b96b76a78dc03",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-01-01T17:21:14Z",
    "title_canon_sha256": "02404e25ccd46514f9d5e544eea18e2a3e082d2b3f94ee491eaaf245a5460d3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.00480",
    "kind": "arxiv",
    "version": 2
  }
}