Pith Number

pith:RFT4FS64

pith:2014:RFT4FS646W2J5PJBWQMG7KN5VK

not attested not anchored not stored refs pending

Simple scheme for encoding and decoding a qubit in unknown state for various topological codes

Andrzej Grudka, Justyna {\L}odyga, Micha{\l} Horodecki, Pawe{\l} Mazurek

arxiv:1404.2495 v2 · 2014-04-09 · 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{RFT4FS646W2J5PJBWQMG7KN5VK}

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	2026-05-18T01:53:09.475116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8967c2cbdcf5b49ebd21b4186fa9bdaabad8fd0602ebceef7b2fb1785bcba7c0

Aliases

arxiv: 1404.2495 · arxiv_version: 1404.2495v2 · doi: 10.48550/arxiv.1404.2495 · pith_short_12: RFT4FS646W2J · pith_short_16: RFT4FS646W2J5PJB · pith_short_8: RFT4FS64

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/RFT4FS646W2J5PJBWQMG7KN5VK \
  | 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: 8967c2cbdcf5b49ebd21b4186fa9bdaabad8fd0602ebceef7b2fb1785bcba7c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "445ce22c147200fc84f1993db988b3426127f63970cd133abe50e448816cf951",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-04-09T14:13:41Z",
    "title_canon_sha256": "8f418105af79023aaf2571a44d2db2d63d6d394a9b5cac5c80d2feb74996d4d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2495",
    "kind": "arxiv",
    "version": 2
  }
}