Pith Number

pith:IOR4UNEE

pith:2025:IOR4UNEEC2TROFJIT453OVQTL6

not attested not anchored not stored refs pending

RiNNAL+: a Riemannian ALM Solver for SDP-RLT Relaxations of Mixed-Binary Quadratic Programs

Di Hou, Kim-Chuan Toh, Tianyun Tang

arxiv:2507.13776 v1 · 2025-07-18 · 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{IOR4UNEEC2TROFJIT453OVQTL6}

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	2026-07-05T11:39:22.802432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43a3ca348416a71715289f3bb756135f8aed10d5db2ae9ea90157bfc24e7ed00

Aliases

arxiv: 2507.13776 · arxiv_version: 2507.13776v1 · doi: 10.48550/arxiv.2507.13776 · pith_short_12: IOR4UNEEC2TR · pith_short_16: IOR4UNEEC2TROFJI · pith_short_8: IOR4UNEE

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/IOR4UNEEC2TROFJIT453OVQTL6 \
  | 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: 43a3ca348416a71715289f3bb756135f8aed10d5db2ae9ea90157bfc24e7ed00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5baa3e8385b2aa49a878c1f134df223b1383f9825dd20cc1414277dc5f125cd2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-07-18T09:36:29Z",
    "title_canon_sha256": "ea62a53a3940359a69d9bead1cc400b1215122d75e239e59ff523f1c126822ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.13776",
    "kind": "arxiv",
    "version": 1
  }
}