Pith Number

pith:EMI232H5

pith:2023:EMI232H52SIKCBYQK4ICJH3T5R

not attested not anchored not stored refs pending

Optimization of Graded Metamaterials for Control of Energy Transmission Using a Genetic Algorithm

Alireza V. Amirkhizi, Christopher J. Hansen, Joshua Morris, Thomas Plaisted, Weidi Wang

arxiv:2306.10628 v1 · 2023-06-18 · physics.app-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EMI232H52SIKCBYQK4ICJH3T5R}

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	2026-07-05T06:22:09.512237Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2311ade8fdd490a107105710249f73ec40f9e17f7f4848608744d47e7c881a89

Aliases

arxiv: 2306.10628 · arxiv_version: 2306.10628v1 · doi: 10.48550/arxiv.2306.10628 · pith_short_12: EMI232H52SIK · pith_short_16: EMI232H52SIKCBYQ · pith_short_8: EMI232H5

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/EMI232H52SIKCBYQK4ICJH3T5R \
  | 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: 2311ade8fdd490a107105710249f73ec40f9e17f7f4848608744d47e7c881a89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52483944960aa0ecf11822b1802c902ee5138187ba8052e4d376158c25f21021",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2023-06-18T19:36:53Z",
    "title_canon_sha256": "d0ac61b4537c56297e1634bca356d6549e179689581831a17f3fb56ea47171c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.10628",
    "kind": "arxiv",
    "version": 1
  }
}