Pith Number

pith:MY5ROZSX

pith:2026:MY5ROZSXWTCPDLC6MGZ4IG3DGV

not attested not anchored not stored refs pending

Geometric properties of the Lebesgue function

Leokadia Bia{\l}as-Cie\.z, Mateusz Suder, Stefano De Marchi

arxiv:2605.23299 v1 · 2026-05-22 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MY5ROZSXWTCPDLC6MGZ4IG3DGV}

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	2026-05-25T02:01:47.866596Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

663b176657b4c4f1ac5e61b3c41b63356a6870b5c755ce22097556e6ae73a98a

Aliases

arxiv: 2605.23299 · arxiv_version: 2605.23299v1 · doi: 10.48550/arxiv.2605.23299 · pith_short_12: MY5ROZSXWTCP · pith_short_16: MY5ROZSXWTCPDLC6 · pith_short_8: MY5ROZSX

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/MY5ROZSXWTCPDLC6MGZ4IG3DGV \
  | 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: 663b176657b4c4f1ac5e61b3c41b63356a6870b5c755ce22097556e6ae73a98a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4668a33b028d0ba0bcabde755211ccbbe4c285ed8bc7e46289a6b18466fc74d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-05-22T07:17:27Z",
    "title_canon_sha256": "dea960a407157ad42b3265a4d303fe7db81b2a7f03a1ebd608bbdebcd7e95d93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23299",
    "kind": "arxiv",
    "version": 1
  }
}