Pith Number

pith:JFRDVLL4

pith:2016:JFRDVLL4WAKIHCR5FCV5IEZL6J

not attested not anchored not stored refs pending

Fisher information from stochastic quantum measurements

Augusto Smerzi, Filippo Caruso, Matthias M. M\"uller, Stefano Gherardini

arxiv:1606.05369 v1 · 2016-06-16 · quant-ph · cond-mat.dis-nn

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFRDVLL4WAKIHCR5FCV5IEZL6J}

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	2026-05-18T00:19:53.920762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49623aad7cb014838a3d28abd4132bf25e8d64722e155212d406c35fa10f33c5

Aliases

arxiv: 1606.05369 · arxiv_version: 1606.05369v1 · doi: 10.48550/arxiv.1606.05369 · pith_short_12: JFRDVLL4WAKI · pith_short_16: JFRDVLL4WAKIHCR5 · pith_short_8: JFRDVLL4

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/JFRDVLL4WAKIHCR5FCV5IEZL6J \
  | 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: 49623aad7cb014838a3d28abd4132bf25e8d64722e155212d406c35fa10f33c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "166c89395a6518e208ceb0c91200dc666def13ed4f7d8ff9bf4a7acfede4cc0b",
    "cross_cats_sorted": [
      "cond-mat.dis-nn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-06-16T20:53:00Z",
    "title_canon_sha256": "c9892ea03b1baedfcb176716e425cd41a736c994e83de8732abfe6c1849ee475"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.05369",
    "kind": "arxiv",
    "version": 1
  }
}