Pith Number

pith:7YUGBS4D

pith:2008:7YUGBS4DCJEYCOEF5KK4D52QQM

not attested not anchored not stored refs pending

Entanglement of qubits via a nonlinear resonator

E. Zipper, J. Dajka, M. Kurpas

arxiv:0812.3791 v3 · 2008-12-19 · 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{7YUGBS4DCJEYCOEF5KK4D52QQM}

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	2026-05-18T02:15:04.298061Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe2860cb831249813885ea95c1f75083311aee858f17a5b2d136cb409838333c

Aliases

arxiv: 0812.3791 · arxiv_version: 0812.3791v3 · doi: 10.48550/arxiv.0812.3791 · pith_short_12: 7YUGBS4DCJEY · pith_short_16: 7YUGBS4DCJEYCOEF · pith_short_8: 7YUGBS4D

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/7YUGBS4DCJEYCOEF5KK4D52QQM \
  | 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: fe2860cb831249813885ea95c1f75083311aee858f17a5b2d136cb409838333c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec098f0093d40f91dcce26343bb6c507684b4c10c59ef84ba0a0e2c45b7e8506",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-12-19T14:05:57Z",
    "title_canon_sha256": "f78b5cbd6126bc273bd8cbd4974c34aabf938310d2f39beb0a5c20cba1c8eedc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.3791",
    "kind": "arxiv",
    "version": 3
  }
}