Pith Number

pith:UO6VCTSJ

pith:2023:UO6VCTSJJF63HCOTTVRFU7HJ6T

not attested not anchored not stored refs pending

Seven open problems in applied combinatorics

Anthony V. Petyuk, Bill Kay, Carlos Ortiz Marrero, Ignacio Segovia-Dominguez, Jos\'e Fr\'ias, Nate Veldt, Ryan Bennink, Sandip Roy, Sinan G. Aksoy, Stephen J. Young, Uwe Naumann, Yulia R. Gel, Yuzhou Chen

arxiv:2303.11464 v1 · 2023-03-20 · math.CO · cs.DM · cs.LG · cs.NA · math.NA · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UO6VCTSJJF63HCOTTVRFU7HJ6T}

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	2026-07-05T05:53:18.543378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3bd514e49497db389d39d625a7ce9f4e39018de3280725296b1d1ed8f96d8f5

Aliases

arxiv: 2303.11464 · arxiv_version: 2303.11464v1 · doi: 10.48550/arxiv.2303.11464 · pith_short_12: UO6VCTSJJF63 · pith_short_16: UO6VCTSJJF63HCOT · pith_short_8: UO6VCTSJ

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/UO6VCTSJJF63HCOTTVRFU7HJ6T \
  | 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: a3bd514e49497db389d39d625a7ce9f4e39018de3280725296b1d1ed8f96d8f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "058d5e14320aa0a2fb3005498d1931a5c12964fe76dd1fb5e8af137623caa2a7",
    "cross_cats_sorted": [
      "cs.DM",
      "cs.LG",
      "cs.NA",
      "math.NA",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2023-03-20T21:45:30Z",
    "title_canon_sha256": "91f36678f5fb25fee9f7879823236fe0b4898aea6fef14928930697d2b7e94a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.11464",
    "kind": "arxiv",
    "version": 1
  }
}