Pith Number

pith:7QFHYNT7

pith:2021:7QFHYNT7KBD25ZS2AN4HOPUHCQ

not attested not anchored not stored refs pending

Assessing the Effectiveness of (Parallel) Branch-and-bound Algorithms

Stephen J. Maher, Ted K. Ralphs, Yuji Shinano

arxiv:2104.10025 v1 · 2021-04-19 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7QFHYNT7KBD25ZS2AN4HOPUHCQ}

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.

Cited by

1 paper in Pith

A Comparative Review of Parallel Exact, Heuristic, Metaheuristic, and Hybrid Optimization Techniques for the Traveling Salesman Problem

Receipt and verification

First computed	2026-07-05T02:33:39.322549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc0a7c367f5047aee65a0378773e87142a33183b8e7b2d1914afb806b82cc30a

Aliases

arxiv: 2104.10025 · arxiv_version: 2104.10025v1 · doi: 10.48550/arxiv.2104.10025 · pith_short_12: 7QFHYNT7KBD2 · pith_short_16: 7QFHYNT7KBD25ZS2 · pith_short_8: 7QFHYNT7

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/7QFHYNT7KBD25ZS2AN4HOPUHCQ \
  | 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: fc0a7c367f5047aee65a0378773e87142a33183b8e7b2d1914afb806b82cc30a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e087616871d274ed78456e12781ff066bbcc4837d7f04b6924f15507c58db4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2021-04-19T01:53:17Z",
    "title_canon_sha256": "a773b73823f0d80db1d489f26708c8e0b845ca885edeb8b2ddf43c9a3810005c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.10025",
    "kind": "arxiv",
    "version": 1
  }
}