Pith Number

pith:QWKD7OQG

pith:2010:QWKD7OQG4EWEWQLGFNKR27BTWB

not attested not anchored not stored refs pending

Entanglement dynamics of three-qubit states in noisy channels

Michael Siomau, Stephan Fritzsche

arxiv:1002.3064 v2 · 2010-02-16 · 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{QWKD7OQG4EWEWQLGFNKR27BTWB}

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	2026-05-18T04:37:33.208592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85943fba06e12c4b41662b551d7c33b0536ab15d8477ce59317f1bf99b2f0ee9

Aliases

arxiv: 1002.3064 · arxiv_version: 1002.3064v2 · doi: 10.48550/arxiv.1002.3064 · pith_short_12: QWKD7OQG4EWE · pith_short_16: QWKD7OQG4EWEWQLG · pith_short_8: QWKD7OQG

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/QWKD7OQG4EWEWQLGFNKR27BTWB \
  | 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: 85943fba06e12c4b41662b551d7c33b0536ab15d8477ce59317f1bf99b2f0ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97037e3548d7d5b14712aea6812d29fd31553854715f291356200ee465b31733",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-16T11:53:21Z",
    "title_canon_sha256": "f934c3021d529de183c952ed10f4b6d5f44a0feafa3ae36e5b747489f1dfdff1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.3064",
    "kind": "arxiv",
    "version": 2
  }
}