Pith Number

pith:MN6IUKPU

pith:2012:MN6IUKPUTT5YS5XREYEDG4FRM6

not attested not anchored not stored refs pending

Optimizing inhomogeneous spin ensembles for quantum memory

David Petrosyan, Gershon Kurizki, Guy Bensky, Johannes Majer, J\"org Schmiedmayer

arxiv:1203.6305 v3 · 2012-03-28 · 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{MN6IUKPUTT5YS5XREYEDG4FRM6}

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	2026-05-18T03:51:12.671421Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

637c8a29f49cfb8976f126083370b1679671916d4f3cb4ffb45f470abe754ffa

Aliases

arxiv: 1203.6305 · arxiv_version: 1203.6305v3 · doi: 10.48550/arxiv.1203.6305 · pith_short_12: MN6IUKPUTT5Y · pith_short_16: MN6IUKPUTT5YS5XR · pith_short_8: MN6IUKPU

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/MN6IUKPUTT5YS5XREYEDG4FRM6 \
  | 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: 637c8a29f49cfb8976f126083370b1679671916d4f3cb4ffb45f470abe754ffa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65d4cae6da3821be4b5aef0da00ae2b865e03d1639e99202155ea70a07053231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-28T16:14:39Z",
    "title_canon_sha256": "85f44f29e03ad867201ace83e044a51bf742bd78c569fb3c49e170a84f09af51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6305",
    "kind": "arxiv",
    "version": 3
  }
}