Pith Number

pith:C2J36IKO

pith:2025:C2J36IKOU222JV7WO34UEXPFIK

not attested not anchored not stored refs pending

A Hierarchical Integer Linear Programming Approach for Optimizing Team Formation in Education

Aaron Kessler, Heinz Schmitz, Ioanna Lykourentzou, Tim Scheiber

arxiv:2506.02756 v1 · 2025-06-03 · math.OC · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2J36IKOU222JV7WO34UEXPFIK}

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	2026-07-05T11:15:08.101839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1693bf214ea6b5a4d7f676f9425de542ac05b685d72d5e3a8b8a15d3a9992ca3

Aliases

arxiv: 2506.02756 · arxiv_version: 2506.02756v1 · doi: 10.48550/arxiv.2506.02756 · pith_short_12: C2J36IKOU222 · pith_short_16: C2J36IKOU222JV7W · pith_short_8: C2J36IKO

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/C2J36IKOU222JV7WO34UEXPFIK \
  | 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: 1693bf214ea6b5a4d7f676f9425de542ac05b685d72d5e3a8b8a15d3a9992ca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "006a65c82fbb0f738a5724f526eb39181d5314ba1c74ebd77f3b84b3b1c9333c",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-06-03T11:22:24Z",
    "title_canon_sha256": "0edd1549efb87bd4c397581ae56708c76b6d52daedfbd447c09f39d6ab85ff44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02756",
    "kind": "arxiv",
    "version": 1
  }
}