Pith Number

pith:3XO6RMHR

pith:2008:3XO6RMHRI5NRINVBV5JH5IUGUH

not attested not anchored not stored refs pending

Local expansion of photonic W state using a polarization dependent beamsplitter

Masato Koashi, Nobuyuki Imoto, Sahin Kaya Ozdemir, Takashi Yamamoto, Toshiyuki Tashima

arxiv:0810.2850 v1 · 2008-10-16 · 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{3XO6RMHRI5NRINVBV5JH5IUGUH}

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	2026-05-18T04:37:20.896248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dddde8b0f1475b1436a1af527ea286a1e7e88e47ec592e964eb4aedaf9709346

Aliases

arxiv: 0810.2850 · arxiv_version: 0810.2850v1 · doi: 10.48550/arxiv.0810.2850 · pith_short_12: 3XO6RMHRI5NR · pith_short_16: 3XO6RMHRI5NRINVB · pith_short_8: 3XO6RMHR

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/3XO6RMHRI5NRINVBV5JH5IUGUH \
  | 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: dddde8b0f1475b1436a1af527ea286a1e7e88e47ec592e964eb4aedaf9709346

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba80a86ff0d0f4c188f3ff25afd845f4c7b0f58a2420b9bfe06cac7367301aa1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-10-16T07:41:58Z",
    "title_canon_sha256": "61924de20d23bd349ec6da58976e1af87b7ecf83c1961a722fd238ca259e0041"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.2850",
    "kind": "arxiv",
    "version": 1
  }
}