Pith Number

pith:6WH5ZN2X

pith:2020:6WH5ZN2XI2CMLPBYVXYVLA26BK

not attested not anchored not stored refs pending

Off-Axis Spiral Phase Mirrors for Generating High Intensity Optical Vortices

Andrew Longman, Carlos Salgado, Ghassan Zeraouli, Jon. I. Apinaniz, Jose Antonio Perez-Hernandez, Luca Volpe, M. Khairy Eltahlawy, Robert Fedosejevs

arxiv:2001.07813 v1 · 2020-01-21 · physics.optics · physics.app-ph · physics.plasm-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{6WH5ZN2XI2CMLPBYVXYVLA26BK}

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	2026-07-05T00:56:43.056530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f58fdcb7574684c5bc38adf155835e0aac1d9c737d7aef7095446d05640449ec

Aliases

arxiv: 2001.07813 · arxiv_version: 2001.07813v1 · doi: 10.48550/arxiv.2001.07813 · pith_short_12: 6WH5ZN2XI2CM · pith_short_16: 6WH5ZN2XI2CMLPBY · pith_short_8: 6WH5ZN2X

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/6WH5ZN2XI2CMLPBYVXYVLA26BK \
  | 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: f58fdcb7574684c5bc38adf155835e0aac1d9c737d7aef7095446d05640449ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bf16b1119781c6263afeb374413782f15e339d98e34367cc1c32e10fdf6f09b",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.plasm-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-01-21T23:43:36Z",
    "title_canon_sha256": "eb66d280b6dc31be806cb04351ad0daa68f54e043698d25a879ad9538ca5eaea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.07813",
    "kind": "arxiv",
    "version": 1
  }
}