Pith Number

pith:GNAWHGJ5

pith:2013:GNAWHGJ5KPUC6K5W4RKMKJRFV4

not attested not anchored not stored refs pending

Spatial distribution of Spontaneous Parametric Down-Converted Photons for higher order Optical Vortices

A Aadhi, Ashok Kumar, Chithrabhanu P, G. K. Samanta, R. P. Singh, Salla Gangi Reddy, Shashi Prabhakar

arxiv:1401.0147 v3 · 2013-12-31 · 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{GNAWHGJ5KPUC6K5W4RKMKJRFV4}

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	2026-05-18T02:52:34.096039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

334163993d53e82f2bb6e454c52625af2f6302bbcb3767939db9a0cac9ce99cb

Aliases

arxiv: 1401.0147 · arxiv_version: 1401.0147v3 · doi: 10.48550/arxiv.1401.0147 · pith_short_12: GNAWHGJ5KPUC · pith_short_16: GNAWHGJ5KPUC6K5W · pith_short_8: GNAWHGJ5

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/GNAWHGJ5KPUC6K5W4RKMKJRFV4 \
  | 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: 334163993d53e82f2bb6e454c52625af2f6302bbcb3767939db9a0cac9ce99cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b38e1f4a286f84798e93761899dd2378b66ad29860f0ca746586b8ce1cd1013",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-31T14:04:12Z",
    "title_canon_sha256": "a9d737d9b4c9e93ef93c3e0c4b7d8c1cd76182f52f03bf44e87bb56c7b34f45d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.0147",
    "kind": "arxiv",
    "version": 3
  }
}