Pith Number

pith:TEW3GDTX

pith:2025:TEW3GDTXGCHX3IDQOP6JNOZA5O

not attested not anchored not stored refs pending

Knife-Edge Diffraction of Scalar and Vector Vortex Light

Amanda Kronhardt Fritsch, Richard Aguiar Maduro, Sonja Franke-Arnold

arxiv:2501.03052 v2 · 2025-01-06 · 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{TEW3GDTXGCHX3IDQOP6JNOZA5O}

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	2026-05-22T01:03:41.187377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

992db30e77308f7da07073fc96bb20eba659fc00c85ad25a190880964fdd49dd

Aliases

arxiv: 2501.03052 · arxiv_version: 2501.03052v2 · doi: 10.48550/arxiv.2501.03052 · pith_short_12: TEW3GDTXGCHX · pith_short_16: TEW3GDTXGCHX3IDQ · pith_short_8: TEW3GDTX

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/TEW3GDTXGCHX3IDQOP6JNOZA5O \
  | 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: 992db30e77308f7da07073fc96bb20eba659fc00c85ad25a190880964fdd49dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e74ed5ead6beb52e04673fbc73972340845df43920d2640fca4ddb10fb7ab27",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2025-01-06T14:39:50Z",
    "title_canon_sha256": "8658ffd07d7abdd3326703a8f35dd5fbfa67e6fc39eb22a3dda3eeb6b86f397d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.03052",
    "kind": "arxiv",
    "version": 2
  }
}