Pith Number

pith:QGTN3P2A

pith:2015:QGTN3P2AG7E4BF45UMTVRHBJKW

not attested not anchored not stored refs pending

Channel Capacity Gain in Entanglement-Assisted Communication Protocols Based Exclusevly on Linear Optics and Single Photon Inputs

D. B. Uskov, P. Lougovski

arxiv:1502.00554 v2 · 2015-02-02 · 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{QGTN3P2AG7E4BF45UMTVRHBJKW}

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	2026-05-18T01:02:31.190869Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81a6ddbf4037c9c0979da327589c2955b2b82fd85b86b7c0960d5f462f76f805

Aliases

arxiv: 1502.00554 · arxiv_version: 1502.00554v2 · doi: 10.48550/arxiv.1502.00554 · pith_short_12: QGTN3P2AG7E4 · pith_short_16: QGTN3P2AG7E4BF45 · pith_short_8: QGTN3P2A

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/QGTN3P2AG7E4BF45UMTVRHBJKW \
  | 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: 81a6ddbf4037c9c0979da327589c2955b2b82fd85b86b7c0960d5f462f76f805

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a5c809e6bc32f3c78852609b018e996763d43afd898835f2fc32a1f12fcaab3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-02-02T17:14:08Z",
    "title_canon_sha256": "d5c47917087f40d6b437b341dcd9b32d2f9d63f23b5591042758377d005e513d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00554",
    "kind": "arxiv",
    "version": 2
  }
}