Pith Number

pith:5K5IJ5IF

pith:2012:5K5IJ5IF2YWSBK7BX42B35IXUL

not attested not anchored not stored refs pending

Identifying the orbital angular momentum of light based on atomic ensembles

Dong Wei, Hao Liu, Hong Gao, Liang Han, Mingtao Cao, Pei Zhang, Ruifeng Liu, Shaoyan Gao, Wenge Guo

arxiv:1207.2299 v1 · 2012-07-10 · physics.atom-ph · 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{5K5IJ5IF2YWSBK7BX42B35IXUL}

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	2026-05-18T03:48:46.221202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eaba84f505d62d20abe1bf341df517a2f558c9156718bd836a47ab2c3233deae

Aliases

arxiv: 1207.2299 · arxiv_version: 1207.2299v1 · doi: 10.48550/arxiv.1207.2299 · pith_short_12: 5K5IJ5IF2YWS · pith_short_16: 5K5IJ5IF2YWSBK7B · pith_short_8: 5K5IJ5IF

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/5K5IJ5IF2YWSBK7BX42B35IXUL \
  | 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: eaba84f505d62d20abe1bf341df517a2f558c9156718bd836a47ab2c3233deae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cb16c8d74e0b9bbc369b66a8b8d844081d104f1cb02d30f993b992d0bca1d78",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2012-07-10T10:30:01Z",
    "title_canon_sha256": "f8c91ce555170a3f47c5134c5947831db5c2d0d4754eb208f796f9dd95f34659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2299",
    "kind": "arxiv",
    "version": 1
  }
}