Pith Number

pith:DC5PJFHO

pith:2012:DC5PJFHO2K7HJAOWIQ52LVTOJ5

not attested not anchored not stored refs pending

Imperfect Secrecy in Wiretap Channel II

Fan Cheng, Kenneth W. Shum, Raymond W. Yeung

arxiv:1202.0859 v3 · 2012-02-04 · cs.IT · cs.CR · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DC5PJFHO2K7HJAOWIQ52LVTOJ5}

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	2026-05-18T02:21:18.124144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18baf494eed2be7481d6443ba5d66e4f7c97607f08ecd7f5a9e395185214780c

Aliases

arxiv: 1202.0859 · arxiv_version: 1202.0859v3 · doi: 10.48550/arxiv.1202.0859 · pith_short_12: DC5PJFHO2K7H · pith_short_16: DC5PJFHO2K7HJAOW · pith_short_8: DC5PJFHO

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/DC5PJFHO2K7HJAOWIQ52LVTOJ5 \
  | 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: 18baf494eed2be7481d6443ba5d66e4f7c97607f08ecd7f5a9e395185214780c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4e269cab99bc0d1005bf4e2ec76663ec2a2df64894337168fb1670c62e2b5ca",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-04T02:11:46Z",
    "title_canon_sha256": "8282e700de24d5d134992f846db2f824644648c8586f8ab6e3f986216aeec294"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0859",
    "kind": "arxiv",
    "version": 3
  }
}