Pith Number

pith:M2BNSY3O

pith:2010:M2BNSY3O2UAHC2YOMW3JUM5T32

not attested not anchored not stored refs pending

General Cram\'er-Rao bound for parameter estimation using Gaussian multimode quantum resources

Claude Fabre (LKB - Jussieu), Julien Fade (IF), Nicolas Treps (LKB - Jussieu), Olivier Pinel (LKB - Jussieu)

arxiv:1008.0844 v1 · 2010-08-04 · 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{M2BNSY3O2UAHC2YOMW3JUM5T32}

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	2026-05-18T04:42:35.515951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6682d9636ed500716b0e65b69a33b3dea6a400a81ceaf47f277ac4d85c9f75a1

Aliases

arxiv: 1008.0844 · arxiv_version: 1008.0844v1 · doi: 10.48550/arxiv.1008.0844 · pith_short_12: M2BNSY3O2UAH · pith_short_16: M2BNSY3O2UAHC2YO · pith_short_8: M2BNSY3O

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/M2BNSY3O2UAHC2YOMW3JUM5T32 \
  | 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: 6682d9636ed500716b0e65b69a33b3dea6a400a81ceaf47f277ac4d85c9f75a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73ec08a467bcebb3e1229dba89bbd9f5e157da6caaa65809bf9decab747aeedd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-08-04T19:06:28Z",
    "title_canon_sha256": "2739fc0a6739c8aae59c814e1ecde695f2682f5f4f25c93414930843b0421a19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.0844",
    "kind": "arxiv",
    "version": 1
  }
}