Pith Number

pith:EMHNWGTF

pith:2023:EMHNWGTFSJMZEYCZPWQHAWHUES

not attested not anchored not stored refs pending

Budget-constrained cut problems

Jos\'e L. Sainz-Pardo, Justo Puerto

arxiv:2308.07063 v1 · 2023-08-14 · math.CO · 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{EMHNWGTFSJMZEYCZPWQHAWHUES}

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	2026-07-05T06:40:55.593261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

230edb1a6592599260597da07058f4249e24c20679965a3c349e7edb715d7342

Aliases

arxiv: 2308.07063 · arxiv_version: 2308.07063v1 · doi: 10.48550/arxiv.2308.07063 · pith_short_12: EMHNWGTFSJMZ · pith_short_16: EMHNWGTFSJMZEYCZ · pith_short_8: EMHNWGTF

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/EMHNWGTFSJMZEYCZPWQHAWHUES \
  | 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: 230edb1a6592599260597da07058f4249e24c20679965a3c349e7edb715d7342

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80135c64324d7438d3cb27d31624b7d4b506d5b6629f0037ed46610426efa28b",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-08-14T10:53:53Z",
    "title_canon_sha256": "f8b4f1f7d3278470e457360f846841a4f186654a99346c547e57fb072eb457f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.07063",
    "kind": "arxiv",
    "version": 1
  }
}