Pith Number

pith:ZSQJ46D6

pith:2009:ZSQJ46D6UFYXRTNCPZTFJZBXSQ

not attested not anchored not stored refs pending

Manipulating spatial qudit states with programmable optical devices

A. Vargas, C. Saavedra, G. Lima, L. Neves, R. Guzm\'an

arxiv:0904.4336 v2 · 2009-04-28 · 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{ZSQJ46D6UFYXRTNCPZTFJZBXSQ}

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	2026-05-18T02:13:56.732971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cca09e787ea17178cda27e6654e4379418ce3555e5d513620ad5507477732d3f

Aliases

arxiv: 0904.4336 · arxiv_version: 0904.4336v2 · doi: 10.48550/arxiv.0904.4336 · pith_short_12: ZSQJ46D6UFYX · pith_short_16: ZSQJ46D6UFYXRTNC · pith_short_8: ZSQJ46D6

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/ZSQJ46D6UFYXRTNCPZTFJZBXSQ \
  | 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: cca09e787ea17178cda27e6654e4379418ce3555e5d513620ad5507477732d3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e143919785fb6249d51f599e1dbd4d444e92f8ee82e90c10e73df6d22cc6ab81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-28T08:53:41Z",
    "title_canon_sha256": "d3184fb31150c8e7fa15fe3311661d2ea991854614b04fe2ac173cf6b2d5d0ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4336",
    "kind": "arxiv",
    "version": 2
  }
}