Pith Number

pith:IZPDZLBT

pith:2025:IZPDZLBTOQ332XYOGUBMKQBFW6

not attested not anchored not stored refs pending

Verifying Correctness of PLC Software during System Evolution using Model Containment Approach

Santonu Sarkar, Soumyadip Bandyopadhyay

arxiv:2509.05596 v1 · 2025-09-06 · cs.SE · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZPDZLBTOQ332XYOGUBMKQBFW6}

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	2026-07-05T12:05:50.518298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

465e3cac337437bd5f0e3502c54025b7a77c74e8fd2b0ba37c5dda2d189b8c02

Aliases

arxiv: 2509.05596 · arxiv_version: 2509.05596v1 · doi: 10.48550/arxiv.2509.05596 · pith_short_12: IZPDZLBTOQ33 · pith_short_16: IZPDZLBTOQ332XYO · pith_short_8: IZPDZLBT

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/IZPDZLBTOQ332XYOGUBMKQBFW6 \
  | 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: 465e3cac337437bd5f0e3502c54025b7a77c74e8fd2b0ba37c5dda2d189b8c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfe2e0b403d5cc1da9926aa7fca6e65309abe0abfde03689ef9096f2133f2764",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-09-06T04:45:17Z",
    "title_canon_sha256": "52789d5ab8e2925a91f04fdcaff1242317700e7e3be5279c8787266cbb4fa52c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.05596",
    "kind": "arxiv",
    "version": 1
  }
}