Pith Number

pith:4IURHHPU

pith:2025:4IURHHPUHLWQUPKUG7LPDDV4O2

not attested not anchored not stored refs pending

Continuation strategies to mitigate convergence to low-performing local optima in topology optimization of sound transmission loss

Elke Deckers, Tom De Weer, Vanessa Cool

arxiv:2509.24667 v2 · 2025-09-29 · 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{4IURHHPUHLWQUPKUG7LPDDV4O2}

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	2026-06-05T01:15:16.501305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e229139df43aed0a3d5437d6f18ebc76b55ce53f2f3dddf4cb6a96d3b0eeac8f

Aliases

arxiv: 2509.24667 · arxiv_version: 2509.24667v2 · doi: 10.48550/arxiv.2509.24667 · pith_short_12: 4IURHHPUHLWQ · pith_short_16: 4IURHHPUHLWQUPKU · pith_short_8: 4IURHHPU

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/4IURHHPUHLWQUPKUG7LPDDV4O2 \
  | 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: e229139df43aed0a3d5437d6f18ebc76b55ce53f2f3dddf4cb6a96d3b0eeac8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7282da1afe9c623e0e087b44fb0dd7efe95089db9bd9036a6f491c93cff3a0cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-09-29T12:13:26Z",
    "title_canon_sha256": "364c8a84a2ce95dbd14fc7d4d3a2d3d947b9b432b0ba7af76a855b5f54d8f599"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.24667",
    "kind": "arxiv",
    "version": 2
  }
}