Pith. sign in
Pith Number

pith:4FOSAV37

pith:2020:4FOSAV372V2DKFDBGQOXDRLWZM
not attested not anchored not stored refs pending

Quantum field theory for spin operator of the photon

Farhad. Khosravi, Li-Ping Yang, Zubin Jacob

arxiv:2004.03771 v6 · 2020-04-08 · quant-ph · cond-mat.supr-con · hep-th · physics.atom-ph · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4FOSAV372V2DKFDBGQOXDRLWZM}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T04:27:41.070013Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e15d20577fd574351461341d71c576cb3a6ce74b330ce8fbf7f373c91d3d8a67

Aliases

arxiv: 2004.03771 · arxiv_version: 2004.03771v6 · doi: 10.48550/arxiv.2004.03771 · pith_short_12: 4FOSAV372V2D · pith_short_16: 4FOSAV372V2DKFDB · pith_short_8: 4FOSAV37
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4FOSAV372V2DKFDBGQOXDRLWZM \
  | 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: e15d20577fd574351461341d71c576cb3a6ce74b330ce8fbf7f373c91d3d8a67
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "718165d725a780d1587e60136669b8c439fce7b9d6796d335873bb6e37f17327",
    "cross_cats_sorted": [
      "cond-mat.supr-con",
      "hep-th",
      "physics.atom-ph",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-08T01:51:22Z",
    "title_canon_sha256": "f94cb3b0e9e554b01cf2a6096328dd14ec024afab1459d4dd81abd357e71f8f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03771",
    "kind": "arxiv",
    "version": 6
  }
}