Pith Number

pith:TMU4KNK2

pith:2026:TMU4KNK2DTJ5YEVOSNLVRPEFV4

not attested not anchored not stored refs pending

Optimal partition and segregation problems driven by torsional rigidity

Gabriele Fioravanti, Giorgio Tortone, Nicola Soave

arxiv:2606.25912 v1 · 2026-06-24 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TMU4KNK2DTJ5YEVOSNLVRPEFV4}

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	2026-06-25T01:18:43.055025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b29c5355a1cd3dc12ae935758bc85af33acb10ab9cd31300f95c3eef0a9c67f

Aliases

arxiv: 2606.25912 · arxiv_version: 2606.25912v1 · doi: 10.48550/arxiv.2606.25912 · pith_short_12: TMU4KNK2DTJ5 · pith_short_16: TMU4KNK2DTJ5YEVO · pith_short_8: TMU4KNK2

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/TMU4KNK2DTJ5YEVOSNLVRPEFV4 \
  | 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: 9b29c5355a1cd3dc12ae935758bc85af33acb10ab9cd31300f95c3eef0a9c67f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d820dafe39715937bc09befe30f49b35f27f8347b83bf75932d196f73708ed9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-06-24T14:57:02Z",
    "title_canon_sha256": "956bfc15145aa26c414348435b35d6321d8df4da6ad52f5d81adbcc130fe8842"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.25912",
    "kind": "arxiv",
    "version": 1
  }
}