Pith Number

pith:DZIDUEVP

pith:2013:DZIDUEVPLOJSOXLRGUMOMWF7VG

not attested not anchored not stored refs pending

The Fisher information and the quantum Cramer-Rao sensitivity limit of continuous measurements

Klaus M{\o}lmer, S{\o}ren Gammelmark

arxiv:1310.5802 v2 · 2013-10-22 · 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{DZIDUEVPLOJSOXLRGUMOMWF7VG}

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	2026-05-18T01:46:56.509159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e503a12af5b93275d713518e658bfa996eb06df4441dae7bd09a4a933c00abf

Aliases

arxiv: 1310.5802 · arxiv_version: 1310.5802v2 · doi: 10.48550/arxiv.1310.5802 · pith_short_12: DZIDUEVPLOJS · pith_short_16: DZIDUEVPLOJSOXLR · pith_short_8: DZIDUEVP

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/DZIDUEVPLOJSOXLRGUMOMWF7VG \
  | 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: 1e503a12af5b93275d713518e658bfa996eb06df4441dae7bd09a4a933c00abf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e1af2b5ea491b761e4f30c68ca967b88096666758db71e483ac531c3679d151",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-10-22T06:01:17Z",
    "title_canon_sha256": "998d2f0bf10e37ff902bb64421ed4ad191bff6c9b1ab1118829c661c6191af49"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5802",
    "kind": "arxiv",
    "version": 2
  }
}