Pith Number

pith:7ENLGN2U

pith:2006:7ENLGN2UE6IS6WBQFTT2DEDS2W

not attested not anchored not stored refs pending

Intensity correlations and entanglement by frequency doubling in a dual ported resonator

Mark Saffman, Oo-Kaw Lim

arxiv:quant-ph/0603079 v2 · 2006-03-09 · 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{7ENLGN2UE6IS6WBQFTT2DEDS2W}

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	2026-05-18T04:03:29.843004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f91ab3375427912f58302ce7a19072d59f958a6e08500e97ee4ad58701de93e8

Aliases

arxiv: quant-ph/0603079 · arxiv_version: quant-ph/0603079v2 · doi: 10.48550/arxiv.quant-ph/0603079 · pith_short_12: 7ENLGN2UE6IS · pith_short_16: 7ENLGN2UE6IS6WBQ · pith_short_8: 7ENLGN2U

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/7ENLGN2UE6IS6WBQFTT2DEDS2W \
  | 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: f91ab3375427912f58302ce7a19072d59f958a6e08500e97ee4ad58701de93e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e85cc8ab5701881e3b6d7e47a2ed41858c9de9379c7ea958f8abf70266c80072",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-03-09T16:59:33Z",
    "title_canon_sha256": "07222c28cabf5070d475c10faddea3478bb7e2a939ee7022a2f63446bf8188c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0603079",
    "kind": "arxiv",
    "version": 2
  }
}