Pith Number

pith:VRWCTZRF

pith:2017:VRWCTZRF4VUPHWBK2744OPCQPN

not attested not anchored not stored refs pending

Generation of entangled photons using an arrayed waveguide grating

Hidetaka Nishi, Hiroki Takesue, Kaoru Shimizu, Koji Yamada, Nobuyuki Matsuda, Peter Karkus, Tai Tsuchizawa, William John Munro

arxiv:1711.01738 v1 · 2017-11-06 · 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{VRWCTZRF4VUPHWBK2744OPCQPN}

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	2026-05-18T00:31:16.994956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac6c29e625e568f3d82ad7f9c73c507b5981df5f0171d073684d34a5657aa5dc

Aliases

arxiv: 1711.01738 · arxiv_version: 1711.01738v1 · doi: 10.48550/arxiv.1711.01738 · pith_short_12: VRWCTZRF4VUP · pith_short_16: VRWCTZRF4VUPHWBK · pith_short_8: VRWCTZRF

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/VRWCTZRF4VUPHWBK2744OPCQPN \
  | 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: ac6c29e625e568f3d82ad7f9c73c507b5981df5f0171d073684d34a5657aa5dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af195e8b0d0d956826b99c57b4896e444a9249ab26981be659e59845f4a0908e",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-11-06T05:50:47Z",
    "title_canon_sha256": "d15893c64f1d9e6fa6122f19019a3276682bf9843e4e91cb92c76ff8df6eb1f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01738",
    "kind": "arxiv",
    "version": 1
  }
}