Pith Number

pith:W7MEQOPX

pith:2026:W7MEQOPXMRQBRAAPWS32HSY2ND

not attested not anchored not stored refs pending

RA-DCA: A Randomized Active-Set DCA for Directional Stationarity in Max-Structured DC Programs

Yi-Shuai Niu

arxiv:2605.23550 v1 · 2026-05-22 · math.OC · cs.AI · cs.NA · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W7MEQOPXMRQBRAAPWS32HSY2ND}

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	2026-05-25T02:02:00.467051Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7d84839f7646018800fb4b7a3cb1a68dff5c65c362ce9a03187e4d1eab49ce0

Aliases

arxiv: 2605.23550 · arxiv_version: 2605.23550v1 · doi: 10.48550/arxiv.2605.23550 · pith_short_12: W7MEQOPXMRQB · pith_short_16: W7MEQOPXMRQBRAAP · pith_short_8: W7MEQOPX

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/W7MEQOPXMRQBRAAPWS32HSY2ND \
  | 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: b7d84839f7646018800fb4b7a3cb1a68dff5c65c362ce9a03187e4d1eab49ce0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "559fe5ddde32785d95fc75ff00cc4a197001190f5043401204b53601ccc5de2a",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.NA",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-05-22T12:16:58Z",
    "title_canon_sha256": "5c0899b5ce1af5297be0dd1b6f0074a628dd2f60c74bd9c083ef556cd7af4aec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23550",
    "kind": "arxiv",
    "version": 1
  }
}