Pith Number

pith:HY2NBWOB

pith:2016:HY2NBWOB7MI5U3KLV32WQOADW5

not attested not anchored not stored refs pending

A chip-based array of near-identical, pure, heralded single photon sources

Benjamin J. Metcalf, Brian J. Smith, Christoph Soeller, Helen L. Rogers, Ian A. Walmsley, James C. Gates, Justin B. Spring, Paolo L. Mennea, Peter C. Humphreys, Peter G. R. Smith, W. Steven Kolthammer

arxiv:1603.06984 v1 · 2016-03-22 · 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{HY2NBWOB7MI5U3KLV32WQOADW5}

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	2026-05-18T00:50:13.695355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3e34d0d9c1fb11da6d4baef5683803b7580913d671065dd3a0db485b8fc92e73

Aliases

arxiv: 1603.06984 · arxiv_version: 1603.06984v1 · doi: 10.48550/arxiv.1603.06984 · pith_short_12: HY2NBWOB7MI5 · pith_short_16: HY2NBWOB7MI5U3KL · pith_short_8: HY2NBWOB

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/HY2NBWOB7MI5U3KLV32WQOADW5 \
  | 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: 3e34d0d9c1fb11da6d4baef5683803b7580913d671065dd3a0db485b8fc92e73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d8d057862fc34ff26c5bf5b1d81811f49aa5c597caa1491d5339fa0eb558ad1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-03-22T21:08:52Z",
    "title_canon_sha256": "8c454f2550159bf4d9450d6cb607807da5ee8023dd9968d0a45e999c6174abae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06984",
    "kind": "arxiv",
    "version": 1
  }
}