Pith Number

pith:XBC2RFXJ

pith:2012:XBC2RFXJ6V2V7G7N737DJU5NIK

not attested not anchored not stored refs pending

Observation of OAM sidebands due to optical reflection

Andrea Aiello, J. P. Woerdman, W. L\"offler

arxiv:1204.4003 v1 · 2012-04-18 · 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{XBC2RFXJ6V2V7G7N737DJU5NIK}

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	2026-05-18T03:45:12.356795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b845a896e9f5755f9bedfefe34d3ad429251d71ceceaae03d5a610ead230e810

Aliases

arxiv: 1204.4003 · arxiv_version: 1204.4003v1 · doi: 10.48550/arxiv.1204.4003 · pith_short_12: XBC2RFXJ6V2V · pith_short_16: XBC2RFXJ6V2V7G7N · pith_short_8: XBC2RFXJ

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/XBC2RFXJ6V2V7G7N737DJU5NIK \
  | 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: b845a896e9f5755f9bedfefe34d3ad429251d71ceceaae03d5a610ead230e810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e42e4225012dfd2e4bb304419371cd5c3810a9dcc2d8ee61e2c0f9497b9d35a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-04-18T08:05:14Z",
    "title_canon_sha256": "f613b7b775ee0be75130efaae0dcec02ee1d5194891dd250b80cdec2f87d5479"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.4003",
    "kind": "arxiv",
    "version": 1
  }
}