Pith Number

pith:U2HQXMML

pith:2011:U2HQXMMLHUQ7657F7QA25RH2HP

not attested not anchored not stored refs pending

Quantum frequency estimation with trapped ions and atoms

U. Dorner

arxiv:1102.1361 v4 · 2011-02-07 · 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{U2HQXMMLHUQ7657F7QA25RH2HP}

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	2026-05-18T03:57:26.981511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68f0bb18b3d21ff77e5fc01aec4fa3befd165c598e7e2b7d0e3592ee3b006ba

Aliases

arxiv: 1102.1361 · arxiv_version: 1102.1361v4 · doi: 10.48550/arxiv.1102.1361 · pith_short_12: U2HQXMMLHUQ7 · pith_short_16: U2HQXMMLHUQ7657F · pith_short_8: U2HQXMML

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/U2HQXMMLHUQ7657F7QA25RH2HP \
  | 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: a68f0bb18b3d21ff77e5fc01aec4fa3befd165c598e7e2b7d0e3592ee3b006ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da22cc6dccc0b74f6d48a81ef9702a4665b2be0a5ac0975d39791507fca3b1d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-07T17:00:43Z",
    "title_canon_sha256": "ed6bbdc3467f244802e29c59d65852cf91362acfdeb309472f93aedd525c7fd7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1361",
    "kind": "arxiv",
    "version": 4
  }
}