Pith Number

pith:WFCRVPTV

pith:2012:WFCRVPTVUU2PRVWKMUIO3QTJFD

not attested not anchored not stored refs pending

Entanglement amplification via local weak measurements

Franco Nori, Sahel Ashhab, Yukihiro Ota

arxiv:1201.2232 v2 · 2012-01-11 · 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{WFCRVPTVUU2PRVWKMUIO3QTJFD}

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	2026-05-18T03:43:07.433017Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1451abe75a534f8d6ca6510edc26928f4747780aafa935a830ac5fd06b7772e

Aliases

arxiv: 1201.2232 · arxiv_version: 1201.2232v2 · doi: 10.48550/arxiv.1201.2232 · pith_short_12: WFCRVPTVUU2P · pith_short_16: WFCRVPTVUU2PRVWK · pith_short_8: WFCRVPTV

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/WFCRVPTVUU2PRVWKMUIO3QTJFD \
  | 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: b1451abe75a534f8d6ca6510edc26928f4747780aafa935a830ac5fd06b7772e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a58f7595de0c9a872be5fbb493169f9ebb67fea73d8ab02a58238eb20a514dcd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-01-11T03:30:00Z",
    "title_canon_sha256": "737b9678a78628278e3e9fa0ab218fa237da0bb0f94cdcd917e749e51e567b98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2232",
    "kind": "arxiv",
    "version": 2
  }
}