Pith Number

pith:NRGFE2CW

pith:2016:NRGFE2CWAHAOSSKXVGMZKKUKHH

not attested not anchored not stored refs pending

High-Dimensional Intra-City Quantum Cryptography with Structured Photons

Alicia Sit, Bettina Heim, Christian Peuntinger, Christoph Marquardt, Dominique Elser, Ebrahim Karimi, Fr\'ed\'eric Bouchard, Gerd Leuchs, Hugo Larocque, J\'er\'emie Gagnon-Bischoff, Kevin G\"unthner, Khabat Heshami, Robert Fickler, Robert W. Boyd

arxiv:1612.05195 v1 · 2016-12-15 · 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{NRGFE2CWAHAOSSKXVGMZKKUKHH}

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	2026-05-18T00:09:36.763945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c4c52685601c0e94957a999952a8a39e7b90ec6b70785ff614888cd7131a478

Aliases

arxiv: 1612.05195 · arxiv_version: 1612.05195v1 · doi: 10.48550/arxiv.1612.05195 · pith_short_12: NRGFE2CWAHAO · pith_short_16: NRGFE2CWAHAOSSKX · pith_short_8: NRGFE2CW

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/NRGFE2CWAHAOSSKXVGMZKKUKHH \
  | 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: 6c4c52685601c0e94957a999952a8a39e7b90ec6b70785ff614888cd7131a478

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ca17b01268a0b5bb610c21b79b3edb5255dbd1ad568a1bbd23d26396e5c7675",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-15T19:14:31Z",
    "title_canon_sha256": "42d1ec54ceb1ea1e26fbf8db3fb5ec8d6ea0fb1fc77d75df13f9d41ee7d2b429"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.05195",
    "kind": "arxiv",
    "version": 1
  }
}