Pith Number

pith:B52KMTTX

pith:2015:B52KMTTXM34NV5E4IYB2MONVTI

not attested not anchored not stored refs pending

Global Behavior of the Douglas-Rachford Method for a Nonconvex Feasibility Problem

Francisco J. Arag\'on Artacho, Jonathan M. Borwein, Matthew K. Tam

arxiv:1506.09026 v1 · 2015-06-30 · 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{B52KMTTXM34NV5E4IYB2MONVTI}

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	2026-05-18T00:39:53.120430Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f74a64e7766f8daf49c4603a639b59a38a715771398fb4123a32f4fe97209c9

Aliases

arxiv: 1506.09026 · arxiv_version: 1506.09026v1 · doi: 10.48550/arxiv.1506.09026 · pith_short_12: B52KMTTXM34N · pith_short_16: B52KMTTXM34NV5E4 · pith_short_8: B52KMTTX

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/B52KMTTXM34NV5E4IYB2MONVTI \
  | 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: 0f74a64e7766f8daf49c4603a639b59a38a715771398fb4123a32f4fe97209c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda288b69556a19a145dbdaa114cfb59da2698a43ae3bbdf06c57fe744d6495b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-06-30T10:59:03Z",
    "title_canon_sha256": "9ac909ead84516754c39a2879638e6e62de20f8dcf8c02cee73fff20aa4cdf50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.09026",
    "kind": "arxiv",
    "version": 1
  }
}