Pith Number

pith:EJ4B2QVA

pith:2012:EJ4B2QVAPA6MYLRJE7E7FKFYZQ

not attested not anchored not stored refs pending

Estimation of classical parameters via continuous probing of complementary quantum observables

Antonio Negretti, Klaus M{\o}lmer

arxiv:1211.2123 v2 · 2012-11-09 · 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{EJ4B2QVAPA6MYLRJE7E7FKFYZQ}

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	2026-05-18T03:05:26.335094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22781d42a0783ccc2e2927c9f2a8b8cc0c6136a92de1493f0a556a4862f59228

Aliases

arxiv: 1211.2123 · arxiv_version: 1211.2123v2 · doi: 10.48550/arxiv.1211.2123 · pith_short_12: EJ4B2QVAPA6M · pith_short_16: EJ4B2QVAPA6MYLRJ · pith_short_8: EJ4B2QVA

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/EJ4B2QVAPA6MYLRJE7E7FKFYZQ \
  | 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: 22781d42a0783ccc2e2927c9f2a8b8cc0c6136a92de1493f0a556a4862f59228

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0189b6748c04a93768f6afe3a57d007f3817d4efb195bb029b59e343c67eb86e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-11-09T13:27:28Z",
    "title_canon_sha256": "54d22d014295a3869a706bae81f2830c806aef4e19523bd509ee842095e7213d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.2123",
    "kind": "arxiv",
    "version": 2
  }
}