Pith Number

pith:JQIPT4XB

pith:2019:JQIPT4XBB7PFAZ52SUUZB76YTU

not attested not anchored not stored refs pending

Fisher information of accelerated two-qubit system in the presence of the color and white noise channels

F. Ebrahim, N. Metwally

arxiv:1907.00442 v1 · 2019-06-30 · 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{JQIPT4XBB7PFAZ52SUUZB76YTU}

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	2026-05-17T23:41:51.686727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c10f9f2e10fde5067ba952990ffd89d355258b61e3383ff6c51af8e440444c3

Aliases

arxiv: 1907.00442 · arxiv_version: 1907.00442v1 · doi: 10.48550/arxiv.1907.00442 · pith_short_12: JQIPT4XBB7PF · pith_short_16: JQIPT4XBB7PFAZ52 · pith_short_8: JQIPT4XB

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/JQIPT4XBB7PFAZ52SUUZB76YTU \
  | 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: 4c10f9f2e10fde5067ba952990ffd89d355258b61e3383ff6c51af8e440444c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11513ee0a2bb9b6515ff949788126a8550c371deb748dd03ebc3032c7e481e55",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-30T20:05:21Z",
    "title_canon_sha256": "76b7b85f29a9bbb698a158e5c4acf3b8404f819f4389cb2fbac3c046e8ab6b4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00442",
    "kind": "arxiv",
    "version": 1
  }
}