Pith Number

pith:QWOGQ4NV

pith:2018:QWOGQ4NV2IXZZQVHT5ODEOF2FP

not attested not anchored not stored refs pending

Angular momenta, helicity, and other properties of dielectric-fiber and metallic-wire modes

F. Alpeggiani, F. J. Rodr\'iguez-Fortu\~no, F. Nori, K. Y. Bliokh, M. F. Picardi

arxiv:1805.03820 v2 · 2018-05-10 · 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{QWOGQ4NV2IXZZQVHT5ODEOF2FP}

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	2026-05-18T00:07:49.530940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

859c6871b5d22f9cc2a79f5c3238ba2bdacf9ee0bf9d9b4419d34b93574849f7

Aliases

arxiv: 1805.03820 · arxiv_version: 1805.03820v2 · doi: 10.48550/arxiv.1805.03820 · pith_short_12: QWOGQ4NV2IXZ · pith_short_16: QWOGQ4NV2IXZZQVH · pith_short_8: QWOGQ4NV

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/QWOGQ4NV2IXZZQVHT5ODEOF2FP \
  | 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: 859c6871b5d22f9cc2a79f5c3238ba2bdacf9ee0bf9d9b4419d34b93574849f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ba74f6fab0285fa2ba80d4edc231a233a88436f988a6cb9399a4405655d5264",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-05-10T05:04:35Z",
    "title_canon_sha256": "da34a412a2021a00e114204e6c7af390348184e5e9d4d018e95907d0c9dacc64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.03820",
    "kind": "arxiv",
    "version": 2
  }
}