Pith Number

pith:MV57GWK6

pith:2022:MV57GWK6NIUYVON4VZZ2ESWFMN

not attested not anchored not stored refs pending

Directly determining orbital angular momentum of ultrashort Laguerre-Gauss pulses via autocorrelation measurement

Bing-Shi Yu, Carmelo Rosales-Guzm\'an, Chun-Yu Li, Yuanjie Yang, Zhi-Han Zhu

arxiv:2204.04495 v1 · 2022-04-09 · 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{MV57GWK6NIUYVON4VZZ2ESWFMN}

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	2026-07-05T04:40:10.359194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

657bf3595e6a298ab9bcae73a24ac56344e67bf37d87a9177c16d1914c03fa18

Aliases

arxiv: 2204.04495 · arxiv_version: 2204.04495v1 · doi: 10.48550/arxiv.2204.04495 · pith_short_12: MV57GWK6NIUY · pith_short_16: MV57GWK6NIUYVON4 · pith_short_8: MV57GWK6

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/MV57GWK6NIUYVON4VZZ2ESWFMN \
  | 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: 657bf3595e6a298ab9bcae73a24ac56344e67bf37d87a9177c16d1914c03fa18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "129dd6bba481aa83ae3c7cc5e7e73f8c02aaa7d11271ac286c960ff1edfd2036",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-04-09T15:42:58Z",
    "title_canon_sha256": "5adfa7fdc72a649ae0c321f68ebf1aa0428e33bacdc681ec454900ca3569b9c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.04495",
    "kind": "arxiv",
    "version": 1
  }
}