Pith Number

pith:JQAWUOXS

pith:2010:JQAWUOXSKHM3SKOUAWSCMEFDXB

not attested not anchored not stored refs pending

On Preparing Entangled Pairs of Polarization Qubits in the Frequency Non-Degenerate Regime

Sergey Kulik, Stanislav Straupe

arxiv:1008.5263 v1 · 2010-08-31 · 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{JQAWUOXSKHM3SKOUAWSCMEFDXB}

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	2026-05-18T04:41:36.271835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c016a3af251d9b929d405a42610a3b87f68707e54c1fb18e00df9580ee14f38

Aliases

arxiv: 1008.5263 · arxiv_version: 1008.5263v1 · doi: 10.48550/arxiv.1008.5263 · pith_short_12: JQAWUOXSKHM3 · pith_short_16: JQAWUOXSKHM3SKOU · pith_short_8: JQAWUOXS

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/JQAWUOXSKHM3SKOUAWSCMEFDXB \
  | 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: 4c016a3af251d9b929d405a42610a3b87f68707e54c1fb18e00df9580ee14f38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc9a4f37528a3a5b57510f39af1865cc3b69246c439d69354277df5e9a306f3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-08-31T09:21:15Z",
    "title_canon_sha256": "fc3c9f0bbc95bb5f14782b191e8e385f76edc9405c77e491ffef21c449f59222"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.5263",
    "kind": "arxiv",
    "version": 1
  }
}