Pith Number

pith:GEZXSRVT

pith:2026:GEZXSRVTXEPALKC57I4RNADCWV

not attested not anchored not stored refs pending

Butterfly Echo Protocol for Axis-Agnostic Heisenberg-Limited Metrology

Alexey V. Gorshkov, Gregory Bentsen, Jacob Bringewatt, Jasmine Albert, Leon Zaporski, Matthew Radzihovsky, Vladan Vuletic

arxiv:2602.23332 v2 · 2026-02-26 · 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{GEZXSRVTXEPALKC57I4RNADCWV}

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.

Cited by

3 papers in Pith

Time-Reversal and Reversible Dynamics in Cavity QED for Quantum Metrology

Total, quantum, and classical measures of anticoherence for mixed spin states

Balancing Quasi-Bragg Regime and Velocity Selectivity in Quantum-Enhanced Atom Interferometry

Receipt and verification

First computed	2026-06-29T01:15:04.233689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31337946b3b91e05a85dfa39168062b57b1e13a6f8eff7ac83bd8c1508dc24b3

Aliases

arxiv: 2602.23332 · arxiv_version: 2602.23332v2 · doi: 10.48550/arxiv.2602.23332 · pith_short_12: GEZXSRVTXEPA · pith_short_16: GEZXSRVTXEPALKC5 · pith_short_8: GEZXSRVT

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/GEZXSRVTXEPALKC57I4RNADCWV \
  | 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: 31337946b3b91e05a85dfa39168062b57b1e13a6f8eff7ac83bd8c1508dc24b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7086ee7b8f288d987865de889072c5c017cab58cb71a3d8358a0a47fc5d0c0f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-02-26T18:38:01Z",
    "title_canon_sha256": "4a787ce6ab0d46d7958674431a155ddc86804fbde869249ee7c1db564a451122"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.23332",
    "kind": "arxiv",
    "version": 2
  }
}