Pith Number

pith:A6YXJ4DB

pith:2016:A6YXJ4DBFFIT7IBOIIPFWKR3NW

not attested not anchored not stored refs pending

Generating a perfect quantum optical vortex

Abir Bandyopadhyay, Anindya Banerji, Dhruba Banerjee, Ravindra Pratap Singh

arxiv:1603.00321 v2 · 2016-03-01 · quant-ph · 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{A6YXJ4DBFFIT7IBOIIPFWKR3NW}

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	2026-05-18T00:56:20.987862Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07b174f06129513fa02e421e5b2a3b6da79e693f9677d51f1fdb21de123f990f

Aliases

arxiv: 1603.00321 · arxiv_version: 1603.00321v2 · doi: 10.48550/arxiv.1603.00321 · pith_short_12: A6YXJ4DBFFIT · pith_short_16: A6YXJ4DBFFIT7IBO · pith_short_8: A6YXJ4DB

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/A6YXJ4DBFFIT7IBOIIPFWKR3NW \
  | 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: 07b174f06129513fa02e421e5b2a3b6da79e693f9677d51f1fdb21de123f990f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2c9ecb7d41266f88b6c31a06e39bedc3afc37b8cf4ee1f795da47375a420aae",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-03-01T15:28:56Z",
    "title_canon_sha256": "02b3a64e7308fbab79b35a5f1e4207c73fe11aa29321cd90ba5ef31972821638"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00321",
    "kind": "arxiv",
    "version": 2
  }
}