Pith Number

pith:CNFACDJR

pith:2017:CNFACDJRR2BGOKLC6R5ZFYGDJL

not attested not anchored not stored refs pending

Exploiting Algebraic Structure in Global Optimization and the Belgian Chocolate Problem

Nigel Boston, Zachary Charles

arxiv:1708.08114 v1 · 2017-08-27 · 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{CNFACDJRR2BGOKLC6R5ZFYGDJL}

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	2026-05-18T00:36:36.971663Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

134a010d318e82672962f47b92e0c34afec7c329a66898f0e0cd9b4b790962f7

Aliases

arxiv: 1708.08114 · arxiv_version: 1708.08114v1 · doi: 10.48550/arxiv.1708.08114 · pith_short_12: CNFACDJRR2BG · pith_short_16: CNFACDJRR2BGOKLC · pith_short_8: CNFACDJR

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/CNFACDJRR2BGOKLC6R5ZFYGDJL \
  | 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: 134a010d318e82672962f47b92e0c34afec7c329a66898f0e0cd9b4b790962f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b214de59d58b9a5c7b18487c4235af45c7d8520390d6721ab00735dabec127ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-08-27T17:27:50Z",
    "title_canon_sha256": "1fd0efdd5b679d87724ecd93b2e3592c8d85dcd179b91218f63d8014f04f542a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08114",
    "kind": "arxiv",
    "version": 1
  }
}