Pith Number

pith:JWD7CPQ5

pith:2020:JWD7CPQ5AWN7JWNDEX4LJVJNRR

not attested not anchored not stored refs pending

Idler-Free Multi-Channel Discrimination via Multipartite Probe States

Cillian Harney, Stefano Pirandola

arxiv:2010.12354 v4 · 2020-10-23 · quant-ph · 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{JWD7CPQ5AWN7JWNDEX4LJVJNRR}

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	2026-07-05T03:24:07.417329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d87f13e1d059bf4d9a325f8b4d52d8c4000883c8012340514263d130bfb5b24

Aliases

arxiv: 2010.12354 · arxiv_version: 2010.12354v4 · doi: 10.48550/arxiv.2010.12354 · pith_short_12: JWD7CPQ5AWN7 · pith_short_16: JWD7CPQ5AWN7JWND · pith_short_8: JWD7CPQ5

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/JWD7CPQ5AWN7JWNDEX4LJVJNRR \
  | 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: 4d87f13e1d059bf4d9a325f8b4d52d8c4000883c8012340514263d130bfb5b24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54db0252881f7080fb3d350f66a3df00cc6d6e3fd3b6f50dc11e45f7b6da2ef5",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-10-23T12:35:15Z",
    "title_canon_sha256": "a9b0247ed63d8cb78c80d406800ab26b88f0db34f6fde91f3a9ee69d2cdc5c74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.12354",
    "kind": "arxiv",
    "version": 4
  }
}