Pith Number

pith:IO4VKUBN

pith:2015:IO4VKUBNSWEXBXYHQ6E4UGQ3DU

not attested not anchored not stored refs pending

Numerical Study on Secrecy Capacity and Code Length Dependence of the Performances in Optical Wiretap Channels

Hiroyuki Endo, Masahide Sasaki, Takao Aoki, Te Sun Han

arxiv:1509.04006 v1 · 2015-09-14 · cs.IT · math.IT · 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{IO4VKUBNSWEXBXYHQ6E4UGQ3DU}

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	2026-05-18T01:33:08.512152Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43b955502d958970df078789ca1a1b1d07b92b0cc631a25dc500f0c766df90f3

Aliases

arxiv: 1509.04006 · arxiv_version: 1509.04006v1 · doi: 10.48550/arxiv.1509.04006 · pith_short_12: IO4VKUBNSWEX · pith_short_16: IO4VKUBNSWEXBXYH · pith_short_8: IO4VKUBN

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/IO4VKUBNSWEXBXYHQ6E4UGQ3DU \
  | 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: 43b955502d958970df078789ca1a1b1d07b92b0cc631a25dc500f0c766df90f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "110254a3369a434d94b055a3e1b96f26672a6f4d3dd78b890d52e663e900b35f",
    "cross_cats_sorted": [
      "math.IT",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-09-14T09:21:21Z",
    "title_canon_sha256": "0e97967b76a4414e01b66abb72d7cfd13e07427991039e578dffdb433591ab2d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04006",
    "kind": "arxiv",
    "version": 1
  }
}