Pith Number

pith:DKPOFO4D

pith:2012:DKPOFO4D4NBIJN26LVMREJQCBQ

not attested not anchored not stored refs pending

Quantum limit in continuous quantum measurement

ChengGang Shao

arxiv:1202.4065 v2 · 2012-02-18 · 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{DKPOFO4D4NBIJN26LVMREJQCBQ}

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	2026-05-18T03:58:13.723223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a9ee2bb83e34284b75e5d591226020c02b41fa69d94afebbd00e3ba1423a810

Aliases

arxiv: 1202.4065 · arxiv_version: 1202.4065v2 · doi: 10.48550/arxiv.1202.4065 · pith_short_12: DKPOFO4D4NBI · pith_short_16: DKPOFO4D4NBIJN26 · pith_short_8: DKPOFO4D

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/DKPOFO4D4NBIJN26LVMREJQCBQ \
  | 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: 1a9ee2bb83e34284b75e5d591226020c02b41fa69d94afebbd00e3ba1423a810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24056199bed86b79d58e72df933b7d8d0fadadf3b901372013be870c384b5aaf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-02-18T10:02:27Z",
    "title_canon_sha256": "f66e24a6249872943b6dbdda0897d803bcc5d6845811b324a35af69e140c6003"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.4065",
    "kind": "arxiv",
    "version": 2
  }
}