Pith Number

pith:WQSITVVC

pith:2015:WQSITVVCFIKV5I4D5GDGMXZJSY

not attested not anchored not stored refs pending

Quantum estimation via parametric amplification in circuit QED arrays

Ashley Wilkins, Carlos Sab\'in

arxiv:1509.04142 v2 · 2015-09-14 · quant-ph · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQSITVVCFIKV5I4D5GDGMXZJSY}

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	2026-05-18T01:24:24.399305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b42489d6a22a155ea383e986665f2996297fe498f2f1c607b7594d7dbbbb8715

Aliases

arxiv: 1509.04142 · arxiv_version: 1509.04142v2 · doi: 10.48550/arxiv.1509.04142 · pith_short_12: WQSITVVCFIKV · pith_short_16: WQSITVVCFIKV5I4D · pith_short_8: WQSITVVC

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/WQSITVVCFIKV5I4D5GDGMXZJSY \
  | 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: b42489d6a22a155ea383e986665f2996297fe498f2f1c607b7594d7dbbbb8715

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "353939d4c7d27c54042947741205a3624e77778adc5a27654a1654ab2d240b81",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-09-14T15:19:38Z",
    "title_canon_sha256": "ccf38168ac0818aaf98d5851c4525794ba6672a50b3da9cafcc4745153e73e5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04142",
    "kind": "arxiv",
    "version": 2
  }
}