Pith Number

pith:UF55R42A

pith:2018:UF55R42AG4PM4ZW53D7Z46IXFJ

not attested not anchored not stored refs pending

Identifying orbital angular momentum of light in quantum wells

Mohammad Mahmoudi, Seyedeh Hamideh Kazemi

arxiv:1812.01912 v1 · 2018-12-05 · 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{UF55R42AG4PM4ZW53D7Z46IXFJ}

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	2026-05-17T23:42:26.013554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a17bd8f340371ece66ddd8ff9e79172a53746641dc26417c0b9f25a5de59882e

Aliases

arxiv: 1812.01912 · arxiv_version: 1812.01912v1 · doi: 10.48550/arxiv.1812.01912 · pith_short_12: UF55R42AG4PM · pith_short_16: UF55R42AG4PM4ZW5 · pith_short_8: UF55R42A

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/UF55R42AG4PM4ZW53D7Z46IXFJ \
  | 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: a17bd8f340371ece66ddd8ff9e79172a53746641dc26417c0b9f25a5de59882e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9586ba0d9dfa03944df31b6e082a569ad0833e7c9646acbf4cb962eedd5a111a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-12-05T10:58:35Z",
    "title_canon_sha256": "aff00f3fc7eb9384c0432aea0eedde2ffa9d27594d039091af3b94272f8da2e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.01912",
    "kind": "arxiv",
    "version": 1
  }
}