Pith Number

pith:YUCOUVDH

pith:2019:YUCOUVDHQJWOYPKULH535QQLPK

not attested not anchored not stored refs pending

Distributing entanglement in first generation discrete and continuous variable quantum repeaters

Josephine Dias, Kae Nemoto, Matthew S. Winnel, Timothy C. Ralph, William J. Munro

arxiv:1906.06019 v2 · 2019-06-14 · 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{YUCOUVDHQJWOYPKULH535QQLPK}

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	2026-07-05T04:46:09.670656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c504ea5467826cec3d5459fbbec20b7a90340fd5b73c734e6e4a555fe9068b82

Aliases

arxiv: 1906.06019 · arxiv_version: 1906.06019v2 · doi: 10.48550/arxiv.1906.06019 · pith_short_12: YUCOUVDHQJWO · pith_short_16: YUCOUVDHQJWOYPKU · pith_short_8: YUCOUVDH

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/YUCOUVDHQJWOYPKULH535QQLPK \
  | 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: c504ea5467826cec3d5459fbbec20b7a90340fd5b73c734e6e4a555fe9068b82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5574b4414eea79f65f097e082f9f87b2862b88372b66841b3ef75b6cfbf6481a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-14T04:48:07Z",
    "title_canon_sha256": "1c3d5f9e81829c72011cc906f3eda65af5b6b9a84410ba22b68e3a818dbb7d23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.06019",
    "kind": "arxiv",
    "version": 2
  }
}