Pith Number

pith:4Z5DBXJF

pith:2020:4Z5DBXJFKGW2CC34JRT6U3PRJR

not attested not anchored not stored refs pending

Proposal and Proof-of-Principle Demonstration of Fast-Switching Broadband Frequency-Shifting for a Frequency-Multiplexed Quantum Repeater

Gustavo Castro do Amaral, Mohsen Falamarzi Askarani, Oriol Pietx-Casas, Peng-Cheng Wang

arxiv:2010.06214 v1 · 2020-10-13 · 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{4Z5DBXJFKGW2CC34JRT6U3PRJR}

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	2026-07-05T02:29:33.189086Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e67a30dd2551ada10b7c4c67ea6df14c71bcc5dcca3ec33ec4b0b3f618c3d8c3

Aliases

arxiv: 2010.06214 · arxiv_version: 2010.06214v1 · doi: 10.48550/arxiv.2010.06214 · pith_short_12: 4Z5DBXJFKGW2 · pith_short_16: 4Z5DBXJFKGW2CC34 · pith_short_8: 4Z5DBXJF

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/4Z5DBXJFKGW2CC34JRT6U3PRJR \
  | 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: e67a30dd2551ada10b7c4c67ea6df14c71bcc5dcca3ec33ec4b0b3f618c3d8c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "96b9f860cc0c5f20d711ed00d56f8a2aaa47a754f61172dd1ec37181d11aa31a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-10-13T07:48:32Z",
    "title_canon_sha256": "68e3cfc7c8e17a5a7d523badacd17e084c4256819e03524da52eeb7298201aa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.06214",
    "kind": "arxiv",
    "version": 1
  }
}