Pith Number

pith:JYKDFMNK

pith:2012:JYKDFMNKNZUVZD6LFBL3DBUUR7

not attested not anchored not stored refs pending

Numerical method for finding decoherence-free subspaces and its applications

Kurt Jacobs, Mark Byrd, Xiaoting Wang

arxiv:1212.3839 v2 · 2012-12-16 · 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{JYKDFMNKNZUVZD6LFBL3DBUUR7}

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	2026-05-18T03:33:25.295681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e1432b1aa6e695c8fcb2857b186948fde3ada3aeb111bcfde7d42033dad46e0

Aliases

arxiv: 1212.3839 · arxiv_version: 1212.3839v2 · doi: 10.48550/arxiv.1212.3839 · pith_short_12: JYKDFMNKNZUV · pith_short_16: JYKDFMNKNZUVZD6L · pith_short_8: JYKDFMNK

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/JYKDFMNKNZUVZD6LFBL3DBUUR7 \
  | 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: 4e1432b1aa6e695c8fcb2857b186948fde3ada3aeb111bcfde7d42033dad46e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5876a85569c1b2aedf3bd6cf4cdbd842b9d8b8761b8b791f03bfc54a6f819920",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-12-16T22:14:53Z",
    "title_canon_sha256": "4c74463e442d33a90c3d7d7478fb09276f02ed7003071f3e7c3c1e4876f11859"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.3839",
    "kind": "arxiv",
    "version": 2
  }
}