Pith Number

pith:3TQCVSHD

pith:2015:3TQCVSHDYQ3OMNLZN3YRQQMLUP

not attested not anchored not stored refs pending

Ab-initio Quantum Enhanced Optical Phase Estimation Using Real-time Feedback Control

Adriano A. Berni, Bo M. Nielsen, Matteo G.A. Paris, Tobias Gehring, Ulrik L. Andersen, Vitus H\"andchen

arxiv:1503.01365 v1 · 2015-03-04 · 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{3TQCVSHDYQ3OMNLZN3YRQQMLUP}

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	2026-05-18T01:29:21.298864Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dce02ac8e3c436e635796ef118418ba3e2398df806cf88df2ee9cd472ff2171a

Aliases

arxiv: 1503.01365 · arxiv_version: 1503.01365v1 · doi: 10.48550/arxiv.1503.01365 · pith_short_12: 3TQCVSHDYQ3O · pith_short_16: 3TQCVSHDYQ3OMNLZ · pith_short_8: 3TQCVSHD

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/3TQCVSHDYQ3OMNLZN3YRQQMLUP \
  | 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: dce02ac8e3c436e635796ef118418ba3e2398df806cf88df2ee9cd472ff2171a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab4d73802cc796dc56b36efacb4264522f5768e7b84c674fbedc1e5245f6f695",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-03-04T16:25:41Z",
    "title_canon_sha256": "a8f79a061c3b9e5cd94521409cefa5d149e699657fb8b970d746cb945261411a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01365",
    "kind": "arxiv",
    "version": 1
  }
}