Pith Number

pith:H7WKQ7G4

pith:2018:H7WKQ7G4DLPVR2BEBVDAAMFF7C

not attested not anchored not stored refs pending

A Noncoherent Space-Time Code from Quantum Error Correction

Brian La Cour, Corey Ostrove, Granville Ott, Robert Heath Jr, S. Andrew Lanham, Travis C. Cuvelier

arxiv:1812.07115 v2 · 2018-12-18 · eess.SP · cs.IT · math.IT · 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{H7WKQ7G4DLPVR2BEBVDAAMFF7C}

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	2026-05-17T23:55:07.097750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3feca87cdc1adf58e8240d460030a5f898675e37e4bca17172c2042703ffe899

Aliases

arxiv: 1812.07115 · arxiv_version: 1812.07115v2 · doi: 10.48550/arxiv.1812.07115 · pith_short_12: H7WKQ7G4DLPV · pith_short_16: H7WKQ7G4DLPVR2BE · pith_short_8: H7WKQ7G4

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/H7WKQ7G4DLPVR2BEBVDAAMFF7C \
  | 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: 3feca87cdc1adf58e8240d460030a5f898675e37e4bca17172c2042703ffe899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de7f240bff702e57613c96cfa02b27ff9eebafce861d6cf5bff2fcaf34619a0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-18T00:48:32Z",
    "title_canon_sha256": "a8fb7187d5671a7cbf4c741aec7538be6c686d748f489479a00dc618bb2e09e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07115",
    "kind": "arxiv",
    "version": 2
  }
}