Pith Number

pith:EWYR6GTP

pith:2020:EWYR6GTPCPV3AYI4SJHNOBUSSA

not attested not anchored not stored refs pending

Low Rank Density Matrix Evolution for Noisy Quantum Circuits

Collin Farquhar, Robert M. Parrish, Yi-Ting Chen

arxiv:2009.06657 v1 · 2020-09-14 · 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{EWYR6GTPCPV3AYI4SJHNOBUSSA}

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.

Cited by

1 paper in Pith

Regularizing quantum loss landscapes by noise injection

Receipt and verification

First computed	2026-07-05T01:35:11.943234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25b11f1a6f13ebb0611c924ed706929029a2dc0bef42caaf3aa30e5a8e39238d

Aliases

arxiv: 2009.06657 · arxiv_version: 2009.06657v1 · doi: 10.48550/arxiv.2009.06657 · pith_short_12: EWYR6GTPCPV3 · pith_short_16: EWYR6GTPCPV3AYI4 · pith_short_8: EWYR6GTP

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/EWYR6GTPCPV3AYI4SJHNOBUSSA \
  | 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: 25b11f1a6f13ebb0611c924ed706929029a2dc0bef42caaf3aa30e5a8e39238d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64d34c2efd9713ccba220331fc48bc1dd9eefd1619e2bfbe96e3cc38d004d186",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-09-14T18:00:16Z",
    "title_canon_sha256": "763871ec0ad9879d37d5483b5776985cb698e7f89d0013fece47956e20138a3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.06657",
    "kind": "arxiv",
    "version": 1
  }
}