Pith Number

pith:UX7DKWLL

pith:2021:UX7DKWLLQYPFIPRHND5LWOSMII

not attested not anchored not stored refs pending

Charge-conserving unitaries typically generate optimal covariant quantum error-correcting codes

Linghang Kong, Zi-Wen Liu

arxiv:2102.11835 v1 · 2021-02-23 · quant-ph · cond-mat.str-el · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UX7DKWLLQYPFIPRHND5LWOSMII}

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	2026-07-05T02:17:54.663744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5fe35596b861e543e2768fabb3a4c420b4574666091edb3d6b6ed987700ffde

Aliases

arxiv: 2102.11835 · arxiv_version: 2102.11835v1 · doi: 10.48550/arxiv.2102.11835 · pith_short_12: UX7DKWLLQYPF · pith_short_16: UX7DKWLLQYPFIPRH · pith_short_8: UX7DKWLL

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/UX7DKWLLQYPFIPRHND5LWOSMII \
  | 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: a5fe35596b861e543e2768fabb3a4c420b4574666091edb3d6b6ed987700ffde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50842a0ccccac54c3b35dcf919127b0d0091fa72dd5e3c3eb6cd7e20be5d527d",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-02-23T18:11:15Z",
    "title_canon_sha256": "0f745c470b3b7a127a90f00b2e356044fd37bab0303bb112919d5a5d6c9a2d56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.11835",
    "kind": "arxiv",
    "version": 1
  }
}