Pith Number

pith:O2OTU2QH

pith:2024:O2OTU2QHNOFSVX7AZBZ7RHYWLJ

not attested not anchored not stored refs pending

High-Fidelity Optical Monitoring of Laser Powder Bed Fusion via Aperture Division Multiplexing

A. John Hart, Ryan W. Penny, Zachery Kutschke

arxiv:2411.13703 v1 · 2024-11-20 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2OTU2QHNOFSVX7AZBZ7RHYWLJ}

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	2026-07-05T09:38:35.952768Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

769d3a6a076b8b2adfe0c873f89f165a7cdabbd70f9594321b94e42992244191

Aliases

arxiv: 2411.13703 · arxiv_version: 2411.13703v1 · doi: 10.48550/arxiv.2411.13703 · pith_short_12: O2OTU2QHNOFS · pith_short_16: O2OTU2QHNOFSVX7A · pith_short_8: O2OTU2QH

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/O2OTU2QHNOFSVX7AZBZ7RHYWLJ \
  | 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: 769d3a6a076b8b2adfe0c873f89f165a7cdabbd70f9594321b94e42992244191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "907d47c07bf1dab346a1617854cc3842499e0c2e47ccc6ae4dd5514ced206aa9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2024-11-20T20:43:00Z",
    "title_canon_sha256": "a7d6e94a7407dadce24f48b1de1ed1580f67411eaac17a4a10bf871498386036"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.13703",
    "kind": "arxiv",
    "version": 1
  }
}