Pith Number

pith:QGCBAA7K

pith:2004:QGCBAA7KF4AEPFJBQMUVWXTJ4P

not attested not anchored not stored refs pending

Nanomechanical Quantum Memory for Superconducting Qubits

Emily J. Pritchett, Michael R. Geller

arxiv:quant-ph/0410029 v1 · 2004-10-04 · 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{QGCBAA7KF4AEPFJBQMUVWXTJ4P}

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	2026-07-04T16:50:25.606995Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81841003ea2f0047952183295b5e69e3ef21abb2622f18e8be51e975e463d61d

Aliases

arxiv: quant-ph/0410029 · arxiv_version: quant-ph/0410029v1 · doi: 10.48550/arxiv.quant-ph/0410029 · pith_short_12: QGCBAA7KF4AE · pith_short_16: QGCBAA7KF4AEPFJB · pith_short_8: QGCBAA7K

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/QGCBAA7KF4AEPFJBQMUVWXTJ4P \
  | 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: 81841003ea2f0047952183295b5e69e3ef21abb2622f18e8be51e975e463d61d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9d4e832667ec2693fdf9fd28ac11567e6705abfe0d3ebcb8aa1e071a6374e79",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-10-04T21:58:47Z",
    "title_canon_sha256": "4f99c46a0ead9c07bc125aeeb8cca8843f520be01f4286fb2a357c2691bff7c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0410029",
    "kind": "arxiv",
    "version": 1
  }
}