Pith Number

pith:E572APMX

pith:2026:E572APMXY67CLDX3KUEKWZNC6W

not attested not anchored not stored refs pending

Optimal semiconcavity with fractional modulus for Hamilton-Jacobi equations with Neumann boundary conditions

Hiroyoshi Mitake, Panrui Ni

arxiv:2605.23248 v1 · 2026-05-22 · math.AP · 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{E572APMXY67CLDX3KUEKWZNC6W}

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	2026-05-25T02:01:45.574482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

277fa03d97c7be258efb5508ab65a2f5a659071ff8efb5106465ff92e0f7c9a5

Aliases

arxiv: 2605.23248 · arxiv_version: 2605.23248v1 · doi: 10.48550/arxiv.2605.23248 · pith_short_12: E572APMXY67C · pith_short_16: E572APMXY67CLDX3 · pith_short_8: E572APMX

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/E572APMXY67CLDX3KUEKWZNC6W \
  | 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: 277fa03d97c7be258efb5508ab65a2f5a659071ff8efb5106465ff92e0f7c9a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "790349760b09ab25393e4127b62d5a93dbe4baa706606d98e7ef9b51586e378e",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-05-22T05:40:48Z",
    "title_canon_sha256": "bec038a89d8a0913173988dab3d6fe39c757408dfe1a1078da57b28e395dcdfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23248",
    "kind": "arxiv",
    "version": 1
  }
}