Pith Number

pith:6I27P6QO

pith:2012:6I27P6QOLJDXORMIGFB2VXLV4T

not attested not anchored not stored refs pending

Information gain versus coupling strength in quantum measurements

Quanhui Liu, Shengjun Wu, Xuanmin Zhu, Yuxiang Zhang

arxiv:1203.2251 v2 · 2012-03-10 · 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{6I27P6QOLJDXORMIGFB2VXLV4T}

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	2026-05-18T03:56:21.905034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f235f7fa0e5a477745883143aadd75e4e2e03607bff877845f6a5a8ecbbf0f20

Aliases

arxiv: 1203.2251 · arxiv_version: 1203.2251v2 · doi: 10.48550/arxiv.1203.2251 · pith_short_12: 6I27P6QOLJDX · pith_short_16: 6I27P6QOLJDXORMI · pith_short_8: 6I27P6QO

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/6I27P6QOLJDXORMIGFB2VXLV4T \
  | 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: f235f7fa0e5a477745883143aadd75e4e2e03607bff877845f6a5a8ecbbf0f20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f1907c5ae577d8e8ed53f11fb43e24ae906145096016adbe28dd9a31d7e8509",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-10T14:06:00Z",
    "title_canon_sha256": "287073e53d2b6494d245acd7f3b5211db2d49f44392f9814994e2a4784e88096"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2251",
    "kind": "arxiv",
    "version": 2
  }
}