Pith Number

pith:AEYBA7RG

pith:2009:AEYBA7RGPTO76XWGB23YXBQGK4

not attested not anchored not stored refs pending

Orbital angular momentum is dependent on polarization

Chun-Fang Li

arxiv:0901.3813 v3 · 2009-01-24 · 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{AEYBA7RGPTO76XWGB23YXBQGK4}

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	2026-05-18T01:21:42.044513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0130107e267cddff5ec60eb78b860657230c671d80e666ce0cfe3f48cad3e9ed

Aliases

arxiv: 0901.3813 · arxiv_version: 0901.3813v3 · doi: 10.48550/arxiv.0901.3813 · pith_short_12: AEYBA7RGPTO7 · pith_short_16: AEYBA7RGPTO76XWG · pith_short_8: AEYBA7RG

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/AEYBA7RGPTO76XWGB23YXBQGK4 \
  | 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: 0130107e267cddff5ec60eb78b860657230c671d80e666ce0cfe3f48cad3e9ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98eee92983489f94919e3d2d022f221d2233a2914d15ba1ab6fa1e7ab86a219a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-01-24T05:14:02Z",
    "title_canon_sha256": "284b2c3c637ae6eab7476d601f9436523c553643f63a3295fa1dcf200491d35e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.3813",
    "kind": "arxiv",
    "version": 3
  }
}