Pith Number

pith:XBAM4TPR

pith:2021:XBAM4TPRLGZWTCIF26OGD2AXJO

not attested not anchored not stored refs pending

QROSS: QUBO Relaxation Parameter Optimisation via Learning Solver Surrogates

Hoong Chuin LAU, Qianxiao Li, Sabrish Gopalakrishnan, Siong Thye Goh, Tao Luo, Tian Huang

arxiv:2103.10695 v1 · 2021-03-19 · cs.LG · 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{XBAM4TPRLGZWTCIF26OGD2AXJO}

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	2026-07-05T02:24:44.093750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b840ce4df159b3698905d79c61e8174b9c7ba77fc487774ec6fac8e3fc4cfde0

Aliases

arxiv: 2103.10695 · arxiv_version: 2103.10695v1 · doi: 10.48550/arxiv.2103.10695 · pith_short_12: XBAM4TPRLGZW · pith_short_16: XBAM4TPRLGZWTCIF · pith_short_8: XBAM4TPR

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/XBAM4TPRLGZWTCIF26OGD2AXJO \
  | 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: b840ce4df159b3698905d79c61e8174b9c7ba77fc487774ec6fac8e3fc4cfde0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "507b5c254bbd6c6e7554546aa2fa68497a0d0a31fcb8380319d4028839f026c7",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-03-19T09:06:12Z",
    "title_canon_sha256": "402665f5a3d17840d4f57bda818ffeef0c5a499e462c23daa73b05de82c67599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.10695",
    "kind": "arxiv",
    "version": 1
  }
}