Pith Number

pith:JIPMHQ42

pith:2025:JIPMHQ42EC6346XIQGMJPZ3GPY

not attested not anchored not stored refs pending

Particle swarm optimization of divertor targets for heat load control

H. Frerichs

arxiv:2509.00206 v1 · 2025-08-29 · physics.comp-ph · physics.plasm-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{JIPMHQ42EC6346XIQGMJPZ3GPY}

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	2026-07-05T12:02:11.216492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a1ec3c39a20bdbe7ae8819897e7667e2c4b9326e5568aae9d3b5f1ef3a84d64

Aliases

arxiv: 2509.00206 · arxiv_version: 2509.00206v1 · doi: 10.48550/arxiv.2509.00206 · pith_short_12: JIPMHQ42EC63 · pith_short_16: JIPMHQ42EC6346XI · pith_short_8: JIPMHQ42

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/JIPMHQ42EC6346XIQGMJPZ3GPY \
  | 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: 4a1ec3c39a20bdbe7ae8819897e7667e2c4b9326e5568aae9d3b5f1ef3a84d64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "473a2216b03772ed20e42f9081e5b324411ad7cbba94b2a2008a7e734d47da81",
    "cross_cats_sorted": [
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2025-08-29T19:34:52Z",
    "title_canon_sha256": "8641c6c47a7bb22e9826074e93be1788e91abbb9b0bac09a8c1d9d47a6a5c22b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.00206",
    "kind": "arxiv",
    "version": 1
  }
}