Pith Number

pith:AP43DRKM

pith:2012:AP43DRKMU7KRMYVXOQCLXTWJJW

not attested not anchored not stored refs pending

Self-stabilized Quantum Optical Fredkin Gate

Jonathan Hu, Prem Kumar, Yu-ping Huang

arxiv:1211.0064 v1 · 2012-11-01 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AP43DRKMU7KRMYVXOQCLXTWJJW}

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	2026-05-18T01:53:27.248565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03f9b1c54ca7d51662b77404bbcec94da11045cf494a9a734d084c6ba52769e5

Aliases

arxiv: 1211.0064 · arxiv_version: 1211.0064v1 · doi: 10.48550/arxiv.1211.0064 · pith_short_12: AP43DRKMU7KR · pith_short_16: AP43DRKMU7KRMYVX · pith_short_8: AP43DRKM

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/AP43DRKMU7KRMYVXOQCLXTWJJW \
  | 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: 03f9b1c54ca7d51662b77404bbcec94da11045cf494a9a734d084c6ba52769e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d8cdd59160162b011884e674b0f8cdfa4bf44f2339fa21563299cb6355568ae",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-01T00:25:59Z",
    "title_canon_sha256": "cc413906e04939a2d0fd218bcf8c159ed7e8843d69b84816591d28394701c8e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0064",
    "kind": "arxiv",
    "version": 1
  }
}