Pith Number

pith:A7KCXQBC

pith:2018:A7KCXQBCGOV63J4H4NC4KNWFQF

not attested not anchored not stored refs pending

Structural characterization of linear quantum systems with application to back-action evading measurement

Guofeng Zhang, Ian R.Petersen, Jinghao Li

arxiv:1803.09419 v2 · 2018-03-26 · 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{A7KCXQBCGOV63J4H4NC4KNWFQF}

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	2026-05-17T23:47:40.113165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07d42bc02233abeda787e345c536c58151cd9e1f0f5891355869232cb825c5ee

Aliases

arxiv: 1803.09419 · arxiv_version: 1803.09419v2 · doi: 10.48550/arxiv.1803.09419 · pith_short_12: A7KCXQBCGOV6 · pith_short_16: A7KCXQBCGOV63J4H · pith_short_8: A7KCXQBC

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/A7KCXQBCGOV63J4H4NC4KNWFQF \
  | 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: 07d42bc02233abeda787e345c536c58151cd9e1f0f5891355869232cb825c5ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2366cc5a74e01fb0ebcee82e3f1abaf3bec21cb77f5d44663605bec96436dfbc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-03-26T05:38:21Z",
    "title_canon_sha256": "d4ae354ff456913020ffbec67b32a5bcf846bac97cf5e2dd859b2e1558bdf8b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.09419",
    "kind": "arxiv",
    "version": 2
  }
}