Pith Number

pith:IKZRNCBP

pith:2016:IKZRNCBP4TJXQ2FXJUYIXA3T32

not attested not anchored not stored refs pending

Entanglement-assisted quantum metrology

Chiara Macchiavello, Lorenzo Maccone, Zixin Huang

arxiv:1603.03993 v2 · 2016-03-13 · 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{IKZRNCBP4TJXQ2FXJUYIXA3T32}

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	2026-05-18T01:11:31.402093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42b316882fe4d37868b74d308b8373de86408c8066e0af324313c015bb09006b

Aliases

arxiv: 1603.03993 · arxiv_version: 1603.03993v2 · doi: 10.48550/arxiv.1603.03993 · pith_short_12: IKZRNCBP4TJX · pith_short_16: IKZRNCBP4TJXQ2FX · pith_short_8: IKZRNCBP

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/IKZRNCBP4TJXQ2FXJUYIXA3T32 \
  | 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: 42b316882fe4d37868b74d308b8373de86408c8066e0af324313c015bb09006b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aa2a5059ee80eea658aae7ea2c0b76be97d230aaec0d1000a9dc533ea94196a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-03-13T04:34:40Z",
    "title_canon_sha256": "688405e2590c26824c433c1d538f0b5205fb0b7256dcc40f338ab02f90f9d9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03993",
    "kind": "arxiv",
    "version": 2
  }
}