Pith Number

pith:FXDD3DCO

pith:2010:FXDD3DCOL2XU5HUKAMYG2NBD2X

not attested not anchored not stored refs pending

Purification of noisy quantum measurements

G. M. D'Ariano, M. Dall'Arno, M. F. Sacchi

arxiv:1009.3127 v2 · 2010-09-16 · 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{FXDD3DCOL2XU5HUKAMYG2NBD2X}

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	2026-05-18T02:05:27.563565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dc63d8c4e5eaf4e9e8a03306d3423d5db85006f225a5fd522da23157726578d

Aliases

arxiv: 1009.3127 · arxiv_version: 1009.3127v2 · doi: 10.48550/arxiv.1009.3127 · pith_short_12: FXDD3DCOL2XU · pith_short_16: FXDD3DCOL2XU5HUK · pith_short_8: FXDD3DCO

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/FXDD3DCOL2XU5HUKAMYG2NBD2X \
  | 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: 2dc63d8c4e5eaf4e9e8a03306d3423d5db85006f225a5fd522da23157726578d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb24c37ac3086535f53da996e6af1e43af52d3d8acb752e595d5ffc9b2c188b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-09-16T09:35:51Z",
    "title_canon_sha256": "68a552af10075ebf760b2ad69b5c75e05b6b1429d20b677a44df86026ed4e85e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.3127",
    "kind": "arxiv",
    "version": 2
  }
}