Pith Number

pith:VXRKA5H3

pith:2025:VXRKA5H322XCNHXLCVNY3ZQOQV

not attested not anchored not stored refs pending

Back-Focal-Plane Imaging and Linear Density Measurements Of Sub-Diffraction Sized Biological Filaments and Particles

Alexander Weinstein, Emma Hunt, Ernst-Ludwig Florin, Ilya M Beskin, Jordan Zesch

arxiv:2506.08186 v3 · 2025-06-09 · physics.optics · physics.bio-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{VXRKA5H322XCNHXLCVNY3ZQOQV}

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	2026-06-02T02:04:06.562818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ade2a074fbd6ae269eeb155b8de60e857bab495819a63cdce6a1aa5b255c8d3b

Aliases

arxiv: 2506.08186 · arxiv_version: 2506.08186v3 · doi: 10.48550/arxiv.2506.08186 · pith_short_12: VXRKA5H322XC · pith_short_16: VXRKA5H322XCNHXL · pith_short_8: VXRKA5H3

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/VXRKA5H322XCNHXLCVNY3ZQOQV \
  | 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: ade2a074fbd6ae269eeb155b8de60e857bab495819a63cdce6a1aa5b255c8d3b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47ba0454bc194803edcdc46ed5008b9df9dfe41874637921b33c7bf908d9f084",
    "cross_cats_sorted": [
      "physics.bio-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-06-09T19:51:39Z",
    "title_canon_sha256": "b50b608e14f5ddea25426a507acb7ab6538ec95b9c2c6a6306939e5bc004d9e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.08186",
    "kind": "arxiv",
    "version": 3
  }
}