Pith Number

pith:CFBPQEUP

pith:2025:CFBPQEUPKAKVC67EZT6DQUKUSL

not attested not anchored not stored refs pending

Airborne acoustic emission enables sub-scanline keyhole porosity quantification and effective process characterization for metallic laser powder bed fusion

Anthony D. Rollett, Chi-Ta Yang, David Guirguis, Haolin Liu, Jack L. Beuth, Levent Burak Kara, Logan Maurer, Niloofar Sanaei, Vigknesh Rajan, Xuzhe Zeng

arxiv:2508.13492 v1 · 2025-08-19 · physics.app-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{CFBPQEUPKAKVC67EZT6DQUKUSL}

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	2026-07-05T11:55:48.995745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1142f8128f5015517be4ccfc38515492e980bacc1550b7d3dc806a1e3918599a

Aliases

arxiv: 2508.13492 · arxiv_version: 2508.13492v1 · doi: 10.48550/arxiv.2508.13492 · pith_short_12: CFBPQEUPKAKV · pith_short_16: CFBPQEUPKAKVC67E · pith_short_8: CFBPQEUP

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/CFBPQEUPKAKVC67EZT6DQUKUSL \
  | 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: 1142f8128f5015517be4ccfc38515492e980bacc1550b7d3dc806a1e3918599a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "086fa50fbcb806b4b89fcce551470f66a0f0d2464570b11c8d3bf1dd566c76a1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2025-08-19T03:59:50Z",
    "title_canon_sha256": "9be98c679a4f9bea6d93a32478b3466955f9401514e344f6707b6e5b00a555f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.13492",
    "kind": "arxiv",
    "version": 1
  }
}