Pith Number

pith:V4JOKZ44

pith:2019:V4JOKZ44ABZTABWZIUUSMTXPH3

not attested not anchored not stored refs pending

Pure Single Photons from Scalable Frequency Multiplexing

A. Eckstein, B.J. Smith, I.A. Walmsley, J. Tiedau, M. Beck, M. Karpi\'nski, P.C. Humphreys, T.F. Parker, T. Hiemstra, W.S. Kolthammer

arxiv:1907.10355 v1 · 2019-07-24 · 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{V4JOKZ44ABZTABWZIUUSMTXPH3}

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	2026-07-05T01:20:46.593543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af12e5679c00733006d94529264eef3eeb032236c15d72bd3a0085bb0f28aa88

Aliases

arxiv: 1907.10355 · arxiv_version: 1907.10355v1 · doi: 10.48550/arxiv.1907.10355 · pith_short_12: V4JOKZ44ABZT · pith_short_16: V4JOKZ44ABZTABWZ · pith_short_8: V4JOKZ44

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/V4JOKZ44ABZTABWZIUUSMTXPH3 \
  | 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: af12e5679c00733006d94529264eef3eeb032236c15d72bd3a0085bb0f28aa88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aed460990536ed82f5b3450cf69f40aa1175b7febef9a44484f2cf441e38889b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-24T10:45:31Z",
    "title_canon_sha256": "d06a4905f579953fce19404de40bfea8808d158976a79496d34a39b4a7f6eb81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10355",
    "kind": "arxiv",
    "version": 1
  }
}