Pith Number

pith:GSPMJFRK

pith:2017:GSPMJFRK6SV34TTYNTNQCYIKJK

not attested not anchored not stored refs pending

A Spatial Branch-and-Cut Method for Nonconvex QCQP with Bounded Complex Variables

Alper Atamturk, Chen Chen, Shmuel S. Oren

arxiv:1705.09057 v1 · 2017-05-25 · 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{GSPMJFRK6SV34TTYNTNQCYIKJK}

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	2026-05-18T00:43:40.537465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

349ec4962af4abbe4e786cdb01610a4a95c71b7bd3d73bec86226be7f2fd2af9

Aliases

arxiv: 1705.09057 · arxiv_version: 1705.09057v1 · doi: 10.48550/arxiv.1705.09057 · pith_short_12: GSPMJFRK6SV3 · pith_short_16: GSPMJFRK6SV34TTY · pith_short_8: GSPMJFRK

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/GSPMJFRK6SV34TTYNTNQCYIKJK \
  | 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: 349ec4962af4abbe4e786cdb01610a4a95c71b7bd3d73bec86226be7f2fd2af9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c31bfc2b96c2ea3db1f90a90d68b2ff1864cb9963e09446a26e5bb41cd10aa3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-05-25T06:01:15Z",
    "title_canon_sha256": "5743a462bf9aeaba1c0a4e76f8dad3abad8fb60571645334085e09a653fbad3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.09057",
    "kind": "arxiv",
    "version": 1
  }
}