Pith Number

pith:OXMQ7QEW

pith:2025:OXMQ7QEWIHFVPH6NST2SRU47HA

not attested not anchored not stored refs pending

Graph Isomorphism: Mixed-Integer Convex Optimization from First-Order Methods

Deborah Hendrych, Mathieu Besan\c{c}on, Patrick Gel{\ss}, Sebastian Pokutta, Stefan Klus, Wenjie Xiao

arxiv:2512.17417 v3 · 2025-12-19 · 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{OXMQ7QEWIHFVPH6NST2SRU47HA}

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	2026-05-21T01:05:13.891275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75d90fc09641cb579fcd94f528d39f38239a06306850a7088eddd1520faa7aeb

Aliases

arxiv: 2512.17417 · arxiv_version: 2512.17417v3 · doi: 10.48550/arxiv.2512.17417 · pith_short_12: OXMQ7QEWIHFV · pith_short_16: OXMQ7QEWIHFVPH6N · pith_short_8: OXMQ7QEW

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/OXMQ7QEWIHFVPH6NST2SRU47HA \
  | 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: 75d90fc09641cb579fcd94f528d39f38239a06306850a7088eddd1520faa7aeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8109ef6eb9e014f7ce996b3f1bf32de516483ea9453a9f839dcf876e578b6ee2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-12-19T10:14:16Z",
    "title_canon_sha256": "4cc7dd981a6312f7dae162393a5e3f2bbf7178d61db151cf8a17e3a1ef8bba83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.17417",
    "kind": "arxiv",
    "version": 3
  }
}