Pith Number

pith:D4SXW5PX

pith:2008:D4SXW5PX6NVUYBOTWIXQRXZOW7

not attested not anchored not stored refs pending

Optimal entanglement generation for efficient hybrid quantum repeaters

Koji Azuma, Masato Koashi, Naoya Sota, Nobuyuki Imoto, Ryo Namiki, Sahin Kaya Ozdemir, Takashi Yamamoto

arxiv:0811.3100 v1 · 2008-11-19 · 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{D4SXW5PX6NVUYBOTWIXQRXZOW7}

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	2026-05-18T03:24:09.047852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f257b75f7f36b4c05d3b22f08df2eb7f714d91e12761a3cd2b1e3e860d583b8

Aliases

arxiv: 0811.3100 · arxiv_version: 0811.3100v1 · doi: 10.48550/arxiv.0811.3100 · pith_short_12: D4SXW5PX6NVU · pith_short_16: D4SXW5PX6NVUYBOT · pith_short_8: D4SXW5PX

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/D4SXW5PX6NVUYBOTWIXQRXZOW7 \
  | 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: 1f257b75f7f36b4c05d3b22f08df2eb7f714d91e12761a3cd2b1e3e860d583b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbf26213ab7b78d135625eabefc3eb24ab089b7d5f99fee96596f2c80ff36b11",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-11-19T12:48:28Z",
    "title_canon_sha256": "fe21c013ceb44daa6ef5f1e4cdc8a0caeee89e66461721270d4b55bd86f88a9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.3100",
    "kind": "arxiv",
    "version": 1
  }
}