Pith Number

pith:23NT2PIY

pith:2012:23NT2PIYRZSPZGD7SG6XXNVLGN

not attested not anchored not stored refs pending

Higher (2nd)-order polarization-Wigner function for `even' entangled bi-modal coherent states

Gyaneshwar K. Gupta, Lallan Yadava, Ravi S. Singh, Sunil P. Singh

arxiv:1204.0678 v1 · 2012-04-03 · 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{23NT2PIYRZSPZGD7SG6XXNVLGN}

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	2026-05-18T03:58:38.764196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6db3d3d188e64fc987f91bd7bb6ab3364df84d03c8b57515559978fd64bec68

Aliases

arxiv: 1204.0678 · arxiv_version: 1204.0678v1 · doi: 10.48550/arxiv.1204.0678 · pith_short_12: 23NT2PIYRZSP · pith_short_16: 23NT2PIYRZSPZGD7 · pith_short_8: 23NT2PIY

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/23NT2PIYRZSPZGD7SG6XXNVLGN \
  | 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: d6db3d3d188e64fc987f91bd7bb6ab3364df84d03c8b57515559978fd64bec68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f20086e1043ffffa62c07877bd4d8b2f98f0f03347d775d42c68eae473a1193c",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-04-03T12:44:20Z",
    "title_canon_sha256": "701ea7c71f08e2af1fcf1b8697a855c9c2e93b3881a3e1d578920681429cfb1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0678",
    "kind": "arxiv",
    "version": 1
  }
}