Pith Number

pith:YFD6J7OJ

pith:2014:YFD6J7OJPB6QBHHIZZKPK4U4XF

not attested not anchored not stored refs pending

Conservation of the spin and orbital angular momenta in electromagnetism

Franco Nori, Justin Dressel, Konstantin Y. Bliokh

arxiv:1404.5486 v3 · 2014-04-22 · physics.optics · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YFD6J7OJPB6QBHHIZZKPK4U4XF}

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	2026-05-18T02:41:59.465209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c147e4fdc9787d009ce8ce54f5729cb946d38cbc0aaa4c0d496dbd3e5942d46d

Aliases

arxiv: 1404.5486 · arxiv_version: 1404.5486v3 · doi: 10.48550/arxiv.1404.5486 · pith_short_12: YFD6J7OJPB6Q · pith_short_16: YFD6J7OJPB6QBHHI · pith_short_8: YFD6J7OJ

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/YFD6J7OJPB6QBHHIZZKPK4U4XF \
  | 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: c147e4fdc9787d009ce8ce54f5729cb946d38cbc0aaa4c0d496dbd3e5942d46d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48373a82e0634a4b63165dd34d1585756f4c12f77bc0465a2acaac77ffc8b657",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2014-04-22T13:18:55Z",
    "title_canon_sha256": "cd12fc385d9d2f1609aaf0e52e8524eff4c247a620d7201fcb02a6782ffa4f03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.5486",
    "kind": "arxiv",
    "version": 3
  }
}