Pith Number

pith:QIMPKSOT

pith:2007:QIMPKSOTJWKSE5WRXB7VJRAPZF

not attested not anchored not stored refs pending

Secure Nested Codes for Type II Wiretap Channels

H. Vincent Poor, Predrag Spasojevic, Ruoheng Liu, Yingbin Liang

arxiv:0706.3752 v1 · 2007-06-26 · 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{QIMPKSOTJWKSE5WRXB7VJRAPZF}

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	2026-05-18T00:58:02.383543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8218f549d34d952276d1b87f54c40fc95730bc3a90d3569d8f9e92abe39323a4

Aliases

arxiv: 0706.3752 · arxiv_version: 0706.3752v1 · doi: 10.48550/arxiv.0706.3752 · pith_short_12: QIMPKSOTJWKS · pith_short_16: QIMPKSOTJWKSE5WR · pith_short_8: QIMPKSOT

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/QIMPKSOTJWKSE5WRXB7VJRAPZF \
  | 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: 8218f549d34d952276d1b87f54c40fc95730bc3a90d3569d8f9e92abe39323a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d32e0af3dae5469ebe6e9a79eefaaa93f67be14300bdc7d1db7442c5cef1a21c",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2007-06-26T03:57:34Z",
    "title_canon_sha256": "5b4ca0405fe6b1f0ec536d84c8f1de6a61cf1e3936a17a443a50e6d36a0be6a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0706.3752",
    "kind": "arxiv",
    "version": 1
  }
}