Pith Number

pith:GOITP3MI

pith:2016:GOITP3MIDG4GZ46GLUD6ALKXWG

not attested not anchored not stored refs pending

NonClassicality Criteria in Multiport Interferometry

Benjamin J. Metcalf, Carlo Di Franco, Ian A. Walmsley, Luca Rigovacca, M. S. Kim

arxiv:1604.07588 v2 · 2016-04-26 · 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{GOITP3MIDG4GZ46GLUD6ALKXWG}

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	2026-05-18T00:56:31.145463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

339137ed8819b86cf3c65d07e02d57b18e5d7f6bc64f5910f65bb17a3060890d

Aliases

arxiv: 1604.07588 · arxiv_version: 1604.07588v2 · doi: 10.48550/arxiv.1604.07588 · pith_short_12: GOITP3MIDG4G · pith_short_16: GOITP3MIDG4GZ46G · pith_short_8: GOITP3MI

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/GOITP3MIDG4GZ46GLUD6ALKXWG \
  | 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: 339137ed8819b86cf3c65d07e02d57b18e5d7f6bc64f5910f65bb17a3060890d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e44090aada6b6ea0d5aecec34c87afe8ea31d82a5553097e3db2de66097ccace",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-04-26T09:46:08Z",
    "title_canon_sha256": "2a384bb84f2dd861a7f5b5bb8ca72312ab583ea1d9f6f642f013375ca96f5661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07588",
    "kind": "arxiv",
    "version": 2
  }
}