Pith Number

pith:IIGI3AEL

pith:2026:IIGI3AELAO6M6CVFJ7FL76OD4M

not attested not anchored not stored refs pending

PCB-QA: Evaluating LLMs over the First Printed Circuit Board Design Question-Answer Dataset

Benjamin Tan, Benjamin Turnbull, Hammond Pearce, Sahana Srinivasan

arxiv:2606.23704 v1 · 2026-06-10 · cs.AR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IIGI3AELAO6M6CVFJ7FL76OD4M}

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	2026-06-24T00:14:23.794100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420c8d808b03bccf0aa54fcabff9c3e3185c78ccc0cdaab62ea3064856ffc82f

Aliases

arxiv: 2606.23704 · arxiv_version: 2606.23704v1 · doi: 10.48550/arxiv.2606.23704 · pith_short_12: IIGI3AELAO6M · pith_short_16: IIGI3AELAO6M6CVF · pith_short_8: IIGI3AEL

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/IIGI3AELAO6M6CVFJ7FL76OD4M \
  | 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: 420c8d808b03bccf0aa54fcabff9c3e3185c78ccc0cdaab62ea3064856ffc82f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d997011bd3be2df30a28b8d58b183952e0e965c829c39ee277804e9b732d3c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AR",
    "submitted_at": "2026-06-10T10:57:23Z",
    "title_canon_sha256": "f82052ac2ad5eaff1f2c5a83a5dc44a15d0e9685e00e2c5aebe32d006952329f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.23704",
    "kind": "arxiv",
    "version": 1
  }
}