Pith Number

pith:QDX6ASL6

pith:2021:QDX6ASL6NFTKPRDPM3LMUX4EPF

not attested not anchored not stored refs pending

Optimal purification of a spin ensemble by quantum-algorithmic feedback

Claire Le Gall, Daniel M. Jackson, Dorian A. Gangloff, Edmund Clarke, Jonathan H. Bodey, Leon Zaporski, Maxime Hugues, Mete Atat\"ure, Noah Shofer, Urs Haeusler

arxiv:2111.04624 v1 · 2021-11-08 · 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{QDX6ASL6NFTKPRDPM3LMUX4EPF}

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	2026-07-05T03:30:01.977832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80efe0497e6966a7c46f66d6ca5f84795b403fcb7f6f657d72af7a1f0c84616b

Aliases

arxiv: 2111.04624 · arxiv_version: 2111.04624v1 · doi: 10.48550/arxiv.2111.04624 · pith_short_12: QDX6ASL6NFTK · pith_short_16: QDX6ASL6NFTKPRDP · pith_short_8: QDX6ASL6

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/QDX6ASL6NFTKPRDPM3LMUX4EPF \
  | 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: 80efe0497e6966a7c46f66d6ca5f84795b403fcb7f6f657d72af7a1f0c84616b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc03a309d0b06453290e70ea82adeec7c6872152d6a53383fd36bdc3edf51c6a",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-11-08T16:54:04Z",
    "title_canon_sha256": "d3381c6236af9d03b46464d5accda179f25599a67fab8035feec4515938a50d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04624",
    "kind": "arxiv",
    "version": 1
  }
}