pith. sign in
Pith Number

pith:J6MECNPI

pith:2014:J6MECNPIWNMZRI2LKE3C275J22
not attested not anchored not stored refs pending

Classical entanglement in polarization metrology

Andrea Aiello, Christoph Marquardt, Elisabeth Giacobino, Falk T\"oppel, Gerd Leuchs

arxiv:1401.1543 v4 · 2014-01-07 · quant-ph · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J6MECNPIWNMZRI2LKE3C275J22}

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 2026-05-18T01:45:33.052722Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4f984135e8b35998a34b51362d7fa9d6aaf78159ef6b0bdae47641c928e711e6

Aliases

arxiv: 1401.1543 · arxiv_version: 1401.1543v4 · doi: 10.48550/arxiv.1401.1543 · pith_short_12: J6MECNPIWNMZ · pith_short_16: J6MECNPIWNMZRI2L · pith_short_8: J6MECNPI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J6MECNPIWNMZRI2LKE3C275J22 \
  | 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: 4f984135e8b35998a34b51362d7fa9d6aaf78159ef6b0bdae47641c928e711e6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d3423cf83a5e0bb9219a7aff879c61821e49ce5f3ed6181d0d62db5c3f7c28dd",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-01-07T23:42:40Z",
    "title_canon_sha256": "aef0ec9516cd070ca359f72787a7ec88ef7bd19b4967d87444d26683a5c557a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1543",
    "kind": "arxiv",
    "version": 4
  }
}