Pith Number

pith:G4OQ4DRS

pith:2016:G4OQ4DRSQOQ4BP6ZPRTOKCWWZ3

not attested not anchored not stored refs pending

Ultimate Capacity of a Linear Time-Invariant Bosonic Channel

Bhaskar Roy Bardhan, Jeffrey H. Shapiro

arxiv:1602.03182 v1 · 2016-02-09 · 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{G4OQ4DRSQOQ4BP6ZPRTOKCWWZ3}

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	2026-05-18T01:17:41.531859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

371d0e0e3283a1c0bfd97c66e50ad6cedf4429d47a1c2ae27c4c73aaabc6f69e

Aliases

arxiv: 1602.03182 · arxiv_version: 1602.03182v1 · doi: 10.48550/arxiv.1602.03182 · pith_short_12: G4OQ4DRSQOQ4 · pith_short_16: G4OQ4DRSQOQ4BP6Z · pith_short_8: G4OQ4DRS

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/G4OQ4DRSQOQ4BP6ZPRTOKCWWZ3 \
  | 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: 371d0e0e3283a1c0bfd97c66e50ad6cedf4429d47a1c2ae27c4c73aaabc6f69e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2941363d0e5eff3c02feed6f29be027c907b77abf3e9b2cd6f9eb2a9de52bd27",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-02-09T21:00:03Z",
    "title_canon_sha256": "13fb13428cde1a91b19ef27329474ec2ead14345eade6e0ae3be26102c078309"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.03182",
    "kind": "arxiv",
    "version": 1
  }
}