Pith Number

pith:L2H64OU6

pith:2015:L2H64OU6IVENPEDGVI454EMP7M

not attested not anchored not stored refs pending

MDI-QKD: Continuous- versus discrete-variables at metropolitan distances

Carlo Ottaviani, Christian S. Jacobsen, Christian Weedbrook, Gaetana Spedalieri, Samuel L. Braunstein, Seth Lloyd, Stefano Pirandola, Tobias Gehring, Ulrik L. Andersen

arxiv:1506.06748 v2 · 2015-06-22 · 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{L2H64OU6IVENPEDGVI454EMP7M}

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	2026-05-18T01:25:46.917127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e8fee3a9e4548d79066aa39de118ffb2a70ce742872b6d623a795d9bc2ed178

Aliases

arxiv: 1506.06748 · arxiv_version: 1506.06748v2 · doi: 10.48550/arxiv.1506.06748 · pith_short_12: L2H64OU6IVEN · pith_short_16: L2H64OU6IVENPEDG · pith_short_8: L2H64OU6

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/L2H64OU6IVENPEDGVI454EMP7M \
  | 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: 5e8fee3a9e4548d79066aa39de118ffb2a70ce742872b6d623a795d9bc2ed178

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4216dc5922e423abc056929de46ba0ce3dc6bbcaa0dc543a54d19e2d423a5e89",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-06-22T20:00:27Z",
    "title_canon_sha256": "aa01808c34571a3b5cf764550ed8b19eba745ca224caf5053bb022def482d3c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06748",
    "kind": "arxiv",
    "version": 2
  }
}