Pith Number

pith:SYWQTO7G

pith:2018:SYWQTO7GVF4ZBQH3NSRCC4P76G

not attested not anchored not stored refs pending

Astigmatic tomography of orbital angular momentum superpositions

A. Z. Khoury, B. Pinheiro da Silva, D. S. Tasca, E. F. Galv\~ao

arxiv:1811.02939 v1 · 2018-11-07 · 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{SYWQTO7GVF4ZBQH3NSRCC4P76G}

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	2026-05-17T23:47:59.202484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

962d09bbe6a97990c0fb6ca22171fff19ffe42bd57506664cd18e6acc857c232

Aliases

arxiv: 1811.02939 · arxiv_version: 1811.02939v1 · doi: 10.48550/arxiv.1811.02939 · pith_short_12: SYWQTO7GVF4Z · pith_short_16: SYWQTO7GVF4ZBQH3 · pith_short_8: SYWQTO7G

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/SYWQTO7GVF4ZBQH3NSRCC4P76G \
  | 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: 962d09bbe6a97990c0fb6ca22171fff19ffe42bd57506664cd18e6acc857c232

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a33ff3a0fad90938953a8256fed2cad6b07640d528bc909efb9d67c07f7d609d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-11-07T15:37:34Z",
    "title_canon_sha256": "404cd508c405567e482c426f3fc0d5e0cfc92a6aaa5dff449310a988d3de3df0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02939",
    "kind": "arxiv",
    "version": 1
  }
}