Pith Number

pith:LZCX4RUX

pith:2022:LZCX4RUX6IRKNAWNG66GF4UOAX

not attested not anchored not stored refs pending

Limitations of nearest-neighbour quantum networks

Anna Pappa, Axel Dahlberg, Frederik Hahn, Jens Eisert

arxiv:2202.10886 v1 · 2022-02-22 · 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{LZCX4RUX6IRKNAWNG66GF4UOAX}

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	2026-07-05T04:38:35.204136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e457e4697f222a682cd37bc62f28e05ec74319b6a5646ccd920c940db53a37e

Aliases

arxiv: 2202.10886 · arxiv_version: 2202.10886v1 · doi: 10.48550/arxiv.2202.10886 · pith_short_12: LZCX4RUX6IRK · pith_short_16: LZCX4RUX6IRKNAWN · pith_short_8: LZCX4RUX

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/LZCX4RUX6IRKNAWNG66GF4UOAX \
  | 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: 5e457e4697f222a682cd37bc62f28e05ec74319b6a5646ccd920c940db53a37e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b91bde5406569e1dc67205e1e86dd59a8150a13a5b1b00d6603cdad000ec12a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-02-22T13:36:31Z",
    "title_canon_sha256": "59e40e5f6d0e8275069113111aeb6bde282e1b4f977c9b17f396c119afbdcf13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10886",
    "kind": "arxiv",
    "version": 1
  }
}