Pith Number

pith:3VZFZXYW

pith:2015:3VZFZXYWZVOSYWPM7SLEJRP6GM

not attested not anchored not stored refs pending

Classical capacity of Gaussian communication under a single noisy channel

Hyunchul Nha, Jaehak Lee, Jiyong Park, Se-Wan Ji

arxiv:1504.04221 v2 · 2015-04-16 · quant-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

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	2026-05-18T02:16:50.632696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd725cdf16cd5d2c59ecfc9644c5fe33232765fc4fbb390db37d6c5236180b5f

Aliases

arxiv: 1504.04221 · arxiv_version: 1504.04221v2 · doi: 10.48550/arxiv.1504.04221 · pith_short_12: 3VZFZXYWZVOS · pith_short_16: 3VZFZXYWZVOSYWPM · pith_short_8: 3VZFZXYW

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/3VZFZXYWZVOSYWPM7SLEJRP6GM \
  | 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: dd725cdf16cd5d2c59ecfc9644c5fe33232765fc4fbb390db37d6c5236180b5f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce0f410e508194184332062aa6cc909a64df976854263817fd6897bac766e60e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-16T13:23:54Z",
    "title_canon_sha256": "a0773b202c330339023fbf486e39ec47a0dd431a197a80bcccf4e4e335e3e746"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04221",
    "kind": "arxiv",
    "version": 2
  }
}