pith. sign in
Pith Number

pith:G45GOIH5

pith:2016:G45GOIH5LR3RIAAAXRVNUPD7HI
not attested not anchored not stored refs pending

On angular momentum of photons: the role of transversality condition in quantum mechanics

Chun-Fang Li

arxiv:1601.07771 v1 · 2016-01-28 · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{G45GOIH5LR3RIAAAXRVNUPD7HI}

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 2026-05-18T01:21:42.249934Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

373a6720fd5c77140000bc6ada3c7f3a00847fd6f95a1145a5ba54e0acea8ea3

Aliases

arxiv: 1601.07771 · arxiv_version: 1601.07771v1 · doi: 10.48550/arxiv.1601.07771 · pith_short_12: G45GOIH5LR3R · pith_short_16: G45GOIH5LR3RIAAA · pith_short_8: G45GOIH5
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/G45GOIH5LR3RIAAAXRVNUPD7HI \
  | 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: 373a6720fd5c77140000bc6ada3c7f3a00847fd6f95a1145a5ba54e0acea8ea3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9c925852fcfc15edfdfe6d15c632439e3b4fd0ac5be1e99cf96df947ddb33315",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-01-28T14:20:54Z",
    "title_canon_sha256": "8e06fc43fc3766b1e486c7ec257cca8cada1fba0d40b909771ca68a797ef204d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07771",
    "kind": "arxiv",
    "version": 1
  }
}