Pith Number

pith:GZ2QDUW3

pith:2021:GZ2QDUW34GDYCWPTK2UQYLPYEB

not attested not anchored not stored refs pending

Spatial polarization modulators: distinguishing diffraction effects from spatial polarization modulation

C.H. Lucas Patty, Christoph U. Keller, David S. Doelman, Frans Snik, Willeke Mulder

arxiv:2108.02538 v1 · 2021-08-05 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GZ2QDUW34GDYCWPTK2UQYLPYEB}

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	2026-07-05T03:03:33.832921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

367501d2dbe1878159f356a90c2df82054f0813460f6d3156a0d242565f462d5

Aliases

arxiv: 2108.02538 · arxiv_version: 2108.02538v1 · doi: 10.48550/arxiv.2108.02538 · pith_short_12: GZ2QDUW34GDY · pith_short_16: GZ2QDUW34GDYCWPT · pith_short_8: GZ2QDUW3

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/GZ2QDUW34GDYCWPTK2UQYLPYEB \
  | 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: 367501d2dbe1878159f356a90c2df82054f0813460f6d3156a0d242565f462d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2ea914d0e0597651c4ccd16a0cb8f957ecbde05e2f5cd4043b9f286ef22e3f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-08-05T11:48:58Z",
    "title_canon_sha256": "e8b56b6a4a5e7c2abf95fa0dae054da681b32b89c8e59ac23371afc90a8f989e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.02538",
    "kind": "arxiv",
    "version": 1
  }
}