Pith Number

pith:PYYU2IYS

pith:2021:PYYU2IYSHSKIBU4I55WAJ25TJV

not attested not anchored not stored refs pending

Towards fully-fledged quantum and classical communication over deployed fiber with up-conversion module

Alessandro Zavatta, Andrea Giudice, Daniele Cozzolino, Davide Bacco, Davide Calonico, Francesco Saverio Cataliotti, Ilaria Vagniluca, Karsten Rottwitt, Lasse H{\o}gstedt, S{\o}ren M. M. Friis

arxiv:2106.05073 v1 · 2021-06-09 · 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{PYYU2IYSHSKIBU4I55WAJ25TJV}

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	2026-07-05T02:47:52.573484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e314d23123c9480d388ef6c04ebb34d6a349324666f5f15770650f9eda14bf7

Aliases

arxiv: 2106.05073 · arxiv_version: 2106.05073v1 · doi: 10.48550/arxiv.2106.05073 · pith_short_12: PYYU2IYSHSKI · pith_short_16: PYYU2IYSHSKIBU4I · pith_short_8: PYYU2IYS

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/PYYU2IYSHSKIBU4I55WAJ25TJV \
  | 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: 7e314d23123c9480d388ef6c04ebb34d6a349324666f5f15770650f9eda14bf7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b946e9bd09e7f80bb5bd9b399bfcc8416579d0dc7807a644d1a28b7992421cea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-06-09T13:52:27Z",
    "title_canon_sha256": "a4b392d537b8122d6664bd9dc2284792e8efb0e301378fc34c35c19e55f4570f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.05073",
    "kind": "arxiv",
    "version": 1
  }
}