Pith Number

pith:PCSW6P5Z

pith:2023:PCSW6P5ZABFJHDG7PYHIJKMIJJ

not attested not anchored not stored refs pending

In-situ crack and keyhole pore detection in laser directed energy deposition through acoustic signal and deep learning

Chaolin Tan, Fei Weng, Jinlong Su, Lequn Chen, Nicholas Poh Huat Ng, Seung Ki Moon, Weiyang He, Xiling Yao, Youxiang Chew

arxiv:2304.04598 v1 · 2023-04-10 · cs.SD · eess.AS · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PCSW6P5ZABFJHDG7PYHIJKMIJJ}

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	2026-07-05T05:59:51.128831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78a56f3fb9004a938cdf7e0e84a9884a7a3cafdaf4646bad65969a1f944b2adc

Aliases

arxiv: 2304.04598 · arxiv_version: 2304.04598v1 · doi: 10.48550/arxiv.2304.04598 · pith_short_12: PCSW6P5ZABFJ · pith_short_16: PCSW6P5ZABFJHDG7 · pith_short_8: PCSW6P5Z

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/PCSW6P5ZABFJHDG7PYHIJKMIJJ \
  | 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: 78a56f3fb9004a938cdf7e0e84a9884a7a3cafdaf4646bad65969a1f944b2adc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcf4772c5aebcf7703c7fc744545a37205e54d31c3f80a84aa670fe2ff7d5b65",
    "cross_cats_sorted": [
      "eess.AS",
      "eess.SP"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2023-04-10T14:12:11Z",
    "title_canon_sha256": "2669387a79b8db2c62e78f757820a03d7da55ca3929941ea85cbb4608134fea1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.04598",
    "kind": "arxiv",
    "version": 1
  }
}