Pith Number

pith:GR4I6IED

pith:2001:GR4I6IED4CJV4ADN37W3N2ATI6

not attested not anchored not stored refs pending

Implementation of Universal Control on a Decoherence-Free Qubit

David G. Cory, Evan M. Fortunato, Grum Teklemariam, Jonathan Hodges, Lorenza Viola

arxiv:quant-ph/0111166 v1 · 2001-11-30 · 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{GR4I6IED4CJV4ADN37W3N2ATI6}

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	2026-07-04T16:29:43.931482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34788f2083e0935e006ddfedb6e8134784ddb4729cf7769020e4f4ed11639fde

Aliases

arxiv: quant-ph/0111166 · arxiv_version: quant-ph/0111166v1 · doi: 10.48550/arxiv.quant-ph/0111166 · pith_short_12: GR4I6IED4CJV · pith_short_16: GR4I6IED4CJV4ADN · pith_short_8: GR4I6IED

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/GR4I6IED4CJV4ADN37W3N2ATI6 \
  | 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: 34788f2083e0935e006ddfedb6e8134784ddb4729cf7769020e4f4ed11639fde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2c1aa12ec04e82df7d7b6d1b575f9941a32963d07e565475c12134287e4c591",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-11-30T18:03:05Z",
    "title_canon_sha256": "2b5b4721217ef77357c773acafc69120f64a21be80cefe86cbc89de3dc1504fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0111166",
    "kind": "arxiv",
    "version": 1
  }
}