Pith Number

pith:Q2K5TO7B

pith:2026:Q2K5TO7BJKZYZR237UVGGEOY5N

not attested not anchored not stored refs pending

Learning Optimal Dynamic Matching via Graph Neural Networks

Akira Matsushita, Genta Okada, Junpei Komiyama, Shunya Noda

arxiv:2607.28925 v1 · 2026-07-31 · cs.LG · cs.GT · econ.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q2K5TO7BJKZYZR237UVGGEOY5N}

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	2026-08-03T01:17:30.906220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8695d9bbe14ab38cc75bfd2a6311d8eb7df69fd89aa7aaa0220b232be4028b54

Aliases

arxiv: 2607.28925 · arxiv_version: 2607.28925v1 · doi: 10.48550/arxiv.2607.28925 · pith_short_12: Q2K5TO7BJKZY · pith_short_16: Q2K5TO7BJKZYZR23 · pith_short_8: Q2K5TO7B

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/Q2K5TO7BJKZYZR237UVGGEOY5N \
  | 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: 8695d9bbe14ab38cc75bfd2a6311d8eb7df69fd89aa7aaa0220b232be4028b54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88cf4430add426aea9e817a59d93fc14ac1e27fdd8eee996b756e94f010521d4",
    "cross_cats_sorted": [
      "cs.GT",
      "econ.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-31T01:00:25Z",
    "title_canon_sha256": "2d944ab9b954fe645de0896d553173a47051349bc60e50a614046901d66f3f39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28925",
    "kind": "arxiv",
    "version": 1
  }
}