Pith Number

pith:UO4YJVKE

pith:2018:UO4YJVKEEFUPFIWPU3RE2T3WGT

not attested not anchored not stored refs pending

High-performance source of spectrally pure, polarization entangled photon pairs based on hybrid integrated-bulk optics

Christine Silberhorn, Christof Eigner, Evan Meyer-Scott, John M. Donohue, Nidhin Prasannan, Sonja Barkhofen, Viktor Quiring

arxiv:1807.10092 v2 · 2018-07-26 · 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{UO4YJVKEEFUPFIWPU3RE2T3WGT}

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	2026-05-17T23:59:38.526651Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b984d5442168f2a2cfa6e24d4f7634e6a9a65ff4adcacc1ef721e1382383e8

Aliases

arxiv: 1807.10092 · arxiv_version: 1807.10092v2 · doi: 10.48550/arxiv.1807.10092 · pith_short_12: UO4YJVKEEFUP · pith_short_16: UO4YJVKEEFUPFIWP · pith_short_8: UO4YJVKE

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/UO4YJVKEEFUPFIWPU3RE2T3WGT \
  | 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: a3b984d5442168f2a2cfa6e24d4f7634e6a9a65ff4adcacc1ef721e1382383e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "075f56a91d36c6fe3356a24621af6e0a5623fd662ce860a60c38b5752aa0929d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-26T12:30:02Z",
    "title_canon_sha256": "eee12c1f4a3e9a413e2b92feba62356439714133f06d81f83b173f6c6ee2fb1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10092",
    "kind": "arxiv",
    "version": 2
  }
}