pith. the verified trust layer for science. sign in
Pith Number

pith:IGPV7PHD

pith:2013:IGPV7PHDM5TDIRJEDCU26KQCQT
not attested not anchored not stored refs pending

Coherent Josephson qubit suitable for scalable quantum integrated circuits

A. Megrant, A. N. Cleland, B. Chiaro, C. Neill, D. Sank, E. Jeffrey, J. Kelly, J. Mutus, John M. Martinis, J. Wenner, P. O'Malley, P. Roushan, R. Barends, T. C. White, Y. Chen, Y. Yin

arxiv:1304.2322 v1 · 2013-04-08 · quant-ph · cond-mat.mes-hall · cond-mat.supr-con

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{IGPV7PHDM5TDIRJEDCU26KQCQT}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T03:15:20.614283Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

419f5fbce3676634452418a9af2a0284c274e1e0cc5fa742d57ad01203158e4b

Aliases

arxiv: 1304.2322 · arxiv_version: 1304.2322v1 · doi: 10.48550/arxiv.1304.2322 · pith_short_12: IGPV7PHDM5TD · pith_short_16: IGPV7PHDM5TDIRJE · pith_short_8: IGPV7PHD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/IGPV7PHDM5TDIRJEDCU26KQCQT \
  | 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: 419f5fbce3676634452418a9af2a0284c274e1e0cc5fa742d57ad01203158e4b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "24f51edd9a8505a504ebb427353e7020e6b5d1fdba5005e6791ec70192c11823",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-08T19:22:10Z",
    "title_canon_sha256": "abebfb8779a81ca6f3bc7ed580821e45fd5f2ef242baae043bad4eb18a9163c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2322",
    "kind": "arxiv",
    "version": 1
  }
}