Pith Number

pith:QMPCDSKN

pith:2009:QMPCDSKNW7IV4S7T7MMB6RRD5B

not attested not anchored not stored refs pending

Storage of multiple coherent microwave excitations in an electron spin ensemble

Arzhang Ardavan, David I. Schuster, G. Andrew D. Briggs, Hua Wu, Janus H. Wesenberg, John J. L. Morton, Klaus M{\o}lmer, Kohei M. Itoh, Richard E. George, Robert J. Schoelkopf

arxiv:0908.0101 v4 · 2009-08-01 · 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{QMPCDSKNW7IV4S7T7MMB6RRD5B}

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	2026-05-18T04:25:11.559878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

831e21c94db7d15e4bf3fb181f4623e85184711094b2a1829f993bb9472b4401

Aliases

arxiv: 0908.0101 · arxiv_version: 0908.0101v4 · doi: 10.48550/arxiv.0908.0101 · pith_short_12: QMPCDSKNW7IV · pith_short_16: QMPCDSKNW7IV4S7T · pith_short_8: QMPCDSKN

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/QMPCDSKNW7IV4S7T7MMB6RRD5B \
  | 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: 831e21c94db7d15e4bf3fb181f4623e85184711094b2a1829f993bb9472b4401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4ac676601a655ee3481f6867b62d7977fd9f7e664f28e0d4344ee6a57a6eb4f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-08-01T23:43:45Z",
    "title_canon_sha256": "aedbbce68a511b38e9e6a289e600c6b481ab46114e827f380cca69948dabd41f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0101",
    "kind": "arxiv",
    "version": 4
  }
}