Pith Number

pith:C4FLIQV4

pith:2019:C4FLIQV4EXKQJQKA5K2OIPKIDK

not attested not anchored not stored refs pending

Broadband Quantum Noise Reduction in Future Long Baseline Gravitational-wave Detectors via EPR Entanglement

Haixing Miao, Jacob L. Beckey, Vincent Boyer, Yiqiu Ma

arxiv:1909.03603 v1 · 2019-09-09 · 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{C4FLIQV4EXKQJQKA5K2OIPKIDK}

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	2026-07-05T00:14:15.314859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

170ab442bc25d504c140eab4e43d481aa7bac04750bd62c909cba8ca10e5f282

Aliases

arxiv: 1909.03603 · arxiv_version: 1909.03603v1 · doi: 10.48550/arxiv.1909.03603 · pith_short_12: C4FLIQV4EXKQ · pith_short_16: C4FLIQV4EXKQJQKA · pith_short_8: C4FLIQV4

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/C4FLIQV4EXKQJQKA5K2OIPKIDK \
  | 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: 170ab442bc25d504c140eab4e43d481aa7bac04750bd62c909cba8ca10e5f282

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cd3882c68419a4413040b3f8dc1a5232b9a4eb65742992660f7119222dcb78f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-09-09T02:57:33Z",
    "title_canon_sha256": "5602148a1c972c3f3f8524697f6c33b9cb9ad193e66eae4922d1a3c83fffd82f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.03603",
    "kind": "arxiv",
    "version": 1
  }
}