Pith Number

pith:CFZNPGCP

pith:2009:CFZNPGCPB2V5Y7N4BZ3FEEIXCQ

not attested not anchored not stored refs pending

Entanglement enhancement for two spins assisted by two phase kicks

Andrei B. Klimov, Gennadiy Burlak, Isabel Sainz

arxiv:0906.2986 v1 · 2009-06-16 · 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{CFZNPGCPB2V5Y7N4BZ3FEEIXCQ}

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	2026-05-18T02:13:19.697936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1172d7984f0eabdc7dbc0e76521117143dd2ff8c05aef28e4f9664ac37ee306c

Aliases

arxiv: 0906.2986 · arxiv_version: 0906.2986v1 · doi: 10.48550/arxiv.0906.2986 · pith_short_12: CFZNPGCPB2V5 · pith_short_16: CFZNPGCPB2V5Y7N4 · pith_short_8: CFZNPGCP

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/CFZNPGCPB2V5Y7N4BZ3FEEIXCQ \
  | 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: 1172d7984f0eabdc7dbc0e76521117143dd2ff8c05aef28e4f9664ac37ee306c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4fbeca385c4b4115bfcea91fb7444e87fa14d395d4c4fc815e9929d0b818074",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-16T17:50:04Z",
    "title_canon_sha256": "ed909109c8a15c067ca6e9e354c7b9a5a8445a3abb126a99f9fdfabae8069c62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2986",
    "kind": "arxiv",
    "version": 1
  }
}