Pith Number

pith:5F45TUUB

pith:2009:5F45TUUBKV5M56BVIWLPLZCSPE

not attested not anchored not stored refs pending

Near-unit fidelity entanglement distribution using Gaussian communication

Ludmila Praxmeyer, Peter van Loock

arxiv:0912.1522 v1 · 2009-12-08 · 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{5F45TUUBKV5M56BVIWLPLZCSPE}

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	2026-05-18T03:23:56.565827Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e979d9d281557acef8354596f5e4527914b20616c2fdcda1ce4aa028e800ff7f

Aliases

arxiv: 0912.1522 · arxiv_version: 0912.1522v1 · doi: 10.48550/arxiv.0912.1522 · pith_short_12: 5F45TUUBKV5M · pith_short_16: 5F45TUUBKV5M56BV · pith_short_8: 5F45TUUB

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/5F45TUUBKV5M56BVIWLPLZCSPE \
  | 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: e979d9d281557acef8354596f5e4527914b20616c2fdcda1ce4aa028e800ff7f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02d674d464db43a65f80f73d7d81f307bee510679a57da25d2b1dda082e72354",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-08T15:28:53Z",
    "title_canon_sha256": "501ef8d794f652b419c1898f7815f373ffdf0fc3cfac53ee2b953767effa0e3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.1522",
    "kind": "arxiv",
    "version": 1
  }
}