Pith Number

pith:C5VMQ6PY

pith:2013:C5VMQ6PYSZ42URAC77VJMAVYU4

not attested not anchored not stored refs pending

Near Heisenberg limited atomic clocks in the presence of decoherence

Anders S. S{\o}rensen, Johannes Borregaard

arxiv:1304.2288 v3 · 2013-04-08 · 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{C5VMQ6PYSZ42URAC77VJMAVYU4}

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	2026-05-18T02:40:18.796301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

176ac879f89679aa4402ffea9602b8a71fd4ade6aa055bb0fc23d41a3df7e22e

Aliases

arxiv: 1304.2288 · arxiv_version: 1304.2288v3 · doi: 10.48550/arxiv.1304.2288 · pith_short_12: C5VMQ6PYSZ42 · pith_short_16: C5VMQ6PYSZ42URAC · pith_short_8: C5VMQ6PY

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/C5VMQ6PYSZ42URAC77VJMAVYU4 \
  | 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: 176ac879f89679aa4402ffea9602b8a71fd4ade6aa055bb0fc23d41a3df7e22e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9c26dd27e07605b793d2691abe2e0d4344673810a3cca5c445a5510d546d057",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-04-08T18:12:53Z",
    "title_canon_sha256": "3c15d0bffab8d8904b63147210c351ac55e3acd3cfe49aa798039b1b04be5912"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.2288",
    "kind": "arxiv",
    "version": 3
  }
}