Pith Number

pith:NZUUMDCE

pith:2024:NZUUMDCETHFJLO4UDUIW2E3OYN

not attested not anchored not stored refs pending

Tighter yet more tractable relaxations and nontrivial instance generation for sparse standard quadratic optimization

Bo Peng, E. Alper Yildirim, Immanuel Bomze, Yuzhou Qiu

arxiv:2406.01239 v1 · 2024-06-03 · 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{NZUUMDCETHFJLO4UDUIW2E3OYN}

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	2026-07-05T08:26:37.414772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e69460c4499ca95bb941d116d136ec3422354edbe3aecf87cc50167481107d3

Aliases

arxiv: 2406.01239 · arxiv_version: 2406.01239v1 · doi: 10.48550/arxiv.2406.01239 · pith_short_12: NZUUMDCETHFJ · pith_short_16: NZUUMDCETHFJLO4U · pith_short_8: NZUUMDCE

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/NZUUMDCETHFJLO4UDUIW2E3OYN \
  | 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: 6e69460c4499ca95bb941d116d136ec3422354edbe3aecf87cc50167481107d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8a72b4e01f557bb2e10a65ce8717a983e19cba54ceb0c14f4f7ca5d18ce8045",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-06-03T11:59:19Z",
    "title_canon_sha256": "2a31c4c9472eddd7a6b50406bd69a75cd6d3c61487592e67edebd537f55422bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2406.01239",
    "kind": "arxiv",
    "version": 1
  }
}