Pith Number

pith:2QOGV26X

pith:2019:2QOGV26XPDSVYVP5D6CQBZ3IH6

not attested not anchored not stored refs pending

Quantum back-action of variable-strength measurement

B. Abdo, F. Schackert, K. Geerlings, K. M. Sliwa, L. Frunzio, M. Hatridge, M. H. Devoret, M. Mirrahimi, R. J. Schoelkopf, S. M. Girvin, S. Shankar, T. Brecht

arxiv:1903.11732 v1 · 2019-03-27 · 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{2QOGV26XPDSVYVP5D6CQBZ3IH6}

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	2026-05-17T23:50:01.904533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41c6aebd778e55c55fd1f8500e7683fb0bbb9ce15b4955befe504d8975e62b3

Aliases

arxiv: 1903.11732 · arxiv_version: 1903.11732v1 · doi: 10.48550/arxiv.1903.11732 · pith_short_12: 2QOGV26XPDSV · pith_short_16: 2QOGV26XPDSVYVP5 · pith_short_8: 2QOGV26X

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/2QOGV26XPDSVYVP5D6CQBZ3IH6 \
  | 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: d41c6aebd778e55c55fd1f8500e7683fb0bbb9ce15b4955befe504d8975e62b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e3ef204eac653ad017e40d1754086983a06b579c9fd0184780318278296fc83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-27T23:44:46Z",
    "title_canon_sha256": "1a3afb9ce26b5dabd8c62aac54b32354f97c3c807da98c1cf7b67b6b1bde6a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11732",
    "kind": "arxiv",
    "version": 1
  }
}