Pith Number

pith:QEVCD6OG

pith:2011:QEVCD6OGVFFQK44V5GA2SSGTGF

not attested not anchored not stored refs pending

Josephson Amplifier for Qubit Readout

Baleegh Abdo, Chad Rigetti, Flavius Schackert, Michael Hatridge, Michel Devoret

arxiv:1103.1405 v2 · 2011-03-08 · cond-mat.supr-con · physics.ins-det · 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{QEVCD6OGVFFQK44V5GA2SSGTGF}

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	2026-05-18T02:02:58.537661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

812a21f9c6a94b057395e981a948d33146ff075970e92fb8e4c403f1f0370b05

Aliases

arxiv: 1103.1405 · arxiv_version: 1103.1405v2 · doi: 10.48550/arxiv.1103.1405 · pith_short_12: QEVCD6OGVFFQ · pith_short_16: QEVCD6OGVFFQK44V · pith_short_8: QEVCD6OG

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/QEVCD6OGVFFQK44V5GA2SSGTGF \
  | 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: 812a21f9c6a94b057395e981a948d33146ff075970e92fb8e4c403f1f0370b05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b63fe32dbdc3796ea9eef2e6eba8567c368c8ff8db528004b2ba701bc5f4eb8",
    "cross_cats_sorted": [
      "physics.ins-det",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-03-08T00:06:14Z",
    "title_canon_sha256": "5dee6724fff410e6fd4209924817a7899759cdab739aaaba1402b317037788bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.1405",
    "kind": "arxiv",
    "version": 2
  }
}