Pith Number

pith:FV5VZH77

pith:2025:FV5VZH77TLDMVOJRXE7XGVOSTS

not attested not anchored not stored refs pending

Parametric Operator Inference to Simulate the Purging Process in Semiconductor Manufacturing

Boris Kramer, Hyeonghun Kim, Seunghyon Kang

arxiv:2504.03990 v2 · 2025-04-04 · math.NA · cs.NA · physics.comp-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{FV5VZH77TLDMVOJRXE7XGVOSTS}

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	2026-05-17T23:39:01.445001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d7b5c9fff9ac6cab931b93f7355d29c8bb4621024c93d18369dd35bf2793f28

Aliases

arxiv: 2504.03990 · arxiv_version: 2504.03990v2 · doi: 10.48550/arxiv.2504.03990 · pith_short_12: FV5VZH77TLDM · pith_short_16: FV5VZH77TLDMVOJR · pith_short_8: FV5VZH77

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/FV5VZH77TLDMVOJRXE7XGVOSTS \
  | 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: 2d7b5c9fff9ac6cab931b93f7355d29c8bb4621024c93d18369dd35bf2793f28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e82efb137a90d8167e18f7ac810b215d28bf9697c01a7a2d66658339c041ed81",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-04-04T23:08:38Z",
    "title_canon_sha256": "5408c9e730107b3d30d1a365a3d850eca05ca026ff78007794d6a928ea243a97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.03990",
    "kind": "arxiv",
    "version": 2
  }
}