Pith Number

pith:OOQI4GXF

pith:2016:OOQI4GXF5INBERNKZ3M7T7OOPV

not attested not anchored not stored refs pending

Phase sensing beyond the standard quantum limit with a truncated SU(1,1) interferometer

Bonnie L. Schmittberger, Brian E. Anderson, Carla Hermann-Avigliano, Kevin M. Jones, Paul D. Lett, Prasoon Gupta, Travis Horrom

arxiv:1610.06891 v1 · 2016-10-21 · 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{OOQI4GXF5INBERNKZ3M7T7OOPV}

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	2026-05-18T00:28:56.791438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73a08e1ae5ea1a1245aaced9f9fdce7d7f8544a61ceeb540ea4a6c700d9b6eb3

Aliases

arxiv: 1610.06891 · arxiv_version: 1610.06891v1 · doi: 10.48550/arxiv.1610.06891 · pith_short_12: OOQI4GXF5INB · pith_short_16: OOQI4GXF5INBERNK · pith_short_8: OOQI4GXF

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/OOQI4GXF5INBERNKZ3M7T7OOPV \
  | 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: 73a08e1ae5ea1a1245aaced9f9fdce7d7f8544a61ceeb540ea4a6c700d9b6eb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d390355571317145f88524fad2f3c92a3c2bee24808fc31bafa045fbe2a77765",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-10-21T19:03:15Z",
    "title_canon_sha256": "096a73d47e3a0e8705529c5b3f13c39faaeec13ed17f162ef1d83cce50604888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.06891",
    "kind": "arxiv",
    "version": 1
  }
}