Pith Number

pith:X3O4U2UJ

pith:2017:X3O4U2UJYRMHZADHRWDK2CRQVD

not attested not anchored not stored refs pending

Improved measurement of two-mode quantum correlations using a phase-sensitive amplifier

Bonnie L. Schmittberger, Brian E. Anderson, Kevin M. Jones, Paul D. Lett, Tian Li, Travis Horrom

arxiv:1708.08334 v1 · 2017-08-28 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X3O4U2UJYRMHZADHRWDK2CRQVD}

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	2026-05-18T00:36:36.343920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beddca6a89c4587c80678d86ad0a30a8fdfef5e0bdef50c8642a362b7dd9338c

Aliases

arxiv: 1708.08334 · arxiv_version: 1708.08334v1 · doi: 10.48550/arxiv.1708.08334 · pith_short_12: X3O4U2UJYRMH · pith_short_16: X3O4U2UJYRMHZADH · pith_short_8: X3O4U2UJ

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/X3O4U2UJYRMHZADHRWDK2CRQVD \
  | 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: beddca6a89c4587c80678d86ad0a30a8fdfef5e0bdef50c8642a362b7dd9338c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41d48867205665ba26b6d36a5b217211bb9031bdf0b18813cbef518f0512b737",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-08-28T14:33:31Z",
    "title_canon_sha256": "c76b73ceba5f4abe2e435bb6864385f4b616e723441a4b5547159fd31e724503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08334",
    "kind": "arxiv",
    "version": 1
  }
}