Pith Number

pith:YRHILUL5

pith:2010:YRHILUL5SQDLWMUGCKGHVXEOFV

not attested not anchored not stored refs pending

Optical continuous-variable qubit

Hiroki Takahashi, Jonas S. Neergaard-Nielsen, Kazuhiro Hayasaka, Kentaro Wakui, Makoto Takeuchi, Masahide Sasaki, Masahiro Takeoka

arxiv:1002.3211 v1 · 2010-02-17 · 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{YRHILUL5SQDLWMUGCKGHVXEOFV}

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	2026-05-18T04:23:46.496145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c44e85d17d9406bb3286128c7adc8e2d5b8554bba49b6f37fee7b6d04cfdd4da

Aliases

arxiv: 1002.3211 · arxiv_version: 1002.3211v1 · doi: 10.48550/arxiv.1002.3211 · pith_short_12: YRHILUL5SQDL · pith_short_16: YRHILUL5SQDLWMUG · pith_short_8: YRHILUL5

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/YRHILUL5SQDLWMUGCKGHVXEOFV \
  | 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: c44e85d17d9406bb3286128c7adc8e2d5b8554bba49b6f37fee7b6d04cfdd4da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfa7ad475f6bab46515384508c4e4e28f7524ba8270a5a0063e7a80690ee92b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-17T07:22:05Z",
    "title_canon_sha256": "787a3c85ee5660fa66398849ac47892a77d6b75ac50ab14df777e48b6b21b49a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3211",
    "kind": "arxiv",
    "version": 1
  }
}