Pith Number

pith:CCLFEECC

pith:2025:CCLFEECCQ6JG7727K6LIJ5SIPW

not attested not anchored not stored refs pending

Selective filtering of multi-photon events from a single-photon emitter

Carolin Calcagno, Eduardo Zubizarreta Casalengua, Frederik Bopp, Friedrich Sbresny, Hubert Riedl, Jonathan J. Finley, Kai M\"uller, Katarina Boos, Sang Kyu Kim, William Rauhaus

arxiv:2506.22378 v1 · 2025-06-27 · 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{CCLFEECCQ6JG7727K6LIJ5SIPW}

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	2026-07-05T11:28:26.388883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

109652104287926fff5f579684f6487db7b9e0a38057f114a8c2936a2472d83d

Aliases

arxiv: 2506.22378 · arxiv_version: 2506.22378v1 · doi: 10.48550/arxiv.2506.22378 · pith_short_12: CCLFEECCQ6JG · pith_short_16: CCLFEECCQ6JG7727 · pith_short_8: CCLFEECC

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/CCLFEECCQ6JG7727K6LIJ5SIPW \
  | 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: 109652104287926fff5f579684f6487db7b9e0a38057f114a8c2936a2472d83d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43b3a3bb803c2e86225a1be08c90ce291bb10e3b34ddddae942697c7adafe393",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-27T16:47:40Z",
    "title_canon_sha256": "4cf8a6a93036904f8631fae18996ccd6f8f937ade9ea841f83077276f8152c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.22378",
    "kind": "arxiv",
    "version": 1
  }
}