Pith Number

pith:EZ567TY7

pith:2009:EZ567TY7VUSW4O7LGSRF7S6ETU

not attested not anchored not stored refs pending

Entanglement of flux qubits through a joint detection of photons

E. Zipper, M. Kurpas

arxiv:0902.2879 v2 · 2009-02-17 · 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{EZ567TY7VUSW4O7LGSRF7S6ETU}

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	2026-05-18T02:14:47.405230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267befcf1fad256e3beb34a25fcbc49d2d32079177999526f2922375d20c99a7

Aliases

arxiv: 0902.2879 · arxiv_version: 0902.2879v2 · doi: 10.48550/arxiv.0902.2879 · pith_short_12: EZ567TY7VUSW · pith_short_16: EZ567TY7VUSW4O7L · pith_short_8: EZ567TY7

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/EZ567TY7VUSW4O7LGSRF7S6ETU \
  | 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: 267befcf1fad256e3beb34a25fcbc49d2d32079177999526f2922375d20c99a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0629f2d4105af2182810ddc99e9c9cf8f3e7c3aaead13be9db9e54c83c0c3623",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-17T09:56:48Z",
    "title_canon_sha256": "f3bf5c25b91cc57bcb9de10a024c9b9997e81ce9a05b1dc18e373d636e4aa2a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.2879",
    "kind": "arxiv",
    "version": 2
  }
}