Pith Number

pith:26B2DOWU

pith:2014:26B2DOWUGHDY74FC33F4ZVQHMY

not attested not anchored not stored refs pending

Random-Unitary Depolarization Ensures the Correctability of All Quantum Channels

Samuel R. Hedemann

arxiv:1402.4120 v2 · 2014-02-17 · 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{26B2DOWUGHDY74FC33F4ZVQHMY}

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	2026-05-18T01:28:26.174792Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d783a1bad431c78ff0a2decbccd607662380558249dbfebae770ab5f5c5c7b53

Aliases

arxiv: 1402.4120 · arxiv_version: 1402.4120v2 · doi: 10.48550/arxiv.1402.4120 · pith_short_12: 26B2DOWUGHDY · pith_short_16: 26B2DOWUGHDY74FC · pith_short_8: 26B2DOWU

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/26B2DOWUGHDY74FC33F4ZVQHMY \
  | 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: d783a1bad431c78ff0a2decbccd607662380558249dbfebae770ab5f5c5c7b53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1351de3c0e0fcef9d4a988790acc6ff507e7db7854a6284b5a48a95f1744e8fa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-17T20:56:10Z",
    "title_canon_sha256": "462ea74526bcc9b80b354498899e8385397cbfb4846e0de1f5b6db1e96dd67f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.4120",
    "kind": "arxiv",
    "version": 2
  }
}