Pith Number

pith:V3YUIOEP

pith:2026:V3YUIOEP6OBDP4PQT7IRX7QRWF

not attested not anchored not stored refs pending

High resolution large working distance scanning helium microscopy

Alek Radi\'c, Andrew P Jardine, David J Ward, Donald MacLaren, Nick A von Jeinsen, Sam M Lambrick

arxiv:2605.19930 v1 · 2026-05-19 · physics.optics · 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{V3YUIOEP6OBDP4PQT7IRX7QRWF}

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	2026-05-20T02:05:55.809033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aef144388ff38237f1f09fd11bfe11b1440a2ce46ec87244e932be08c4e02857

Aliases

arxiv: 2605.19930 · arxiv_version: 2605.19930v1 · doi: 10.48550/arxiv.2605.19930 · pith_short_12: V3YUIOEP6OBD · pith_short_16: V3YUIOEP6OBDP4PQ · pith_short_8: V3YUIOEP

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/V3YUIOEP6OBDP4PQT7IRX7QRWF \
  | 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: aef144388ff38237f1f09fd11bfe11b1440a2ce46ec87244e932be08c4e02857

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c74d7d4d37dc48e16d9214f39c4902101d3cc235d8fac139f6cb058d797d54b",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-19T14:50:36Z",
    "title_canon_sha256": "b2a376f73ca63d380cef197b07aa61f74fec0d3090b6689bcb354813cacfc3f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.19930",
    "kind": "arxiv",
    "version": 1
  }
}