Pith Number

pith:BSUGI54E

pith:2022:BSUGI54ERX4NEXXHC4V4UQ754V

not attested not anchored not stored refs pending

Quantum communication through devices with indefinite input-output direction

Giulio Chiribella, Ming Yang, Zixuan Liu

arxiv:2212.08265 v2 · 2022-12-16 · 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{BSUGI54ERX4NEXXHC4V4UQ754V}

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	2026-07-05T06:02:31.558878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ca86477848df8d25ee7172bca43fde5773d6bc32523b4ad474717c5bdd6af0c

Aliases

arxiv: 2212.08265 · arxiv_version: 2212.08265v2 · doi: 10.48550/arxiv.2212.08265 · pith_short_12: BSUGI54ERX4N · pith_short_16: BSUGI54ERX4NEXXH · pith_short_8: BSUGI54E

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/BSUGI54ERX4NEXXHC4V4UQ754V \
  | 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: 0ca86477848df8d25ee7172bca43fde5773d6bc32523b4ad474717c5bdd6af0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "199722016ff9da243861b58c54fd5e01af3b24f82224509418ebbf1b906adcae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-12-16T03:22:24Z",
    "title_canon_sha256": "2e9624b1a41ca90575e14d004f6f4e66135f9a050a1d7390c6cca7b395b2363d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.08265",
    "kind": "arxiv",
    "version": 2
  }
}