Pith Number

pith:DSM7LJOH

pith:2008:DSM7LJOH5SNMQSMFHD6DCSZSLT

not attested not anchored not stored refs pending

Channel Coding and Decoding in a Relay System Operated with Physical layer Network Coding

Shengli Zhang, Soung-Chang Liew

arxiv:0807.4770 v2 · 2008-07-30 · cs.NI · cs.IT · 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{DSM7LJOH5SNMQSMFHD6DCSZSLT}

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	2026-05-18T00:59:11.690969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c99f5a5c7ec9ac8498538fc314b325ced4959d00e05c11c556701e843b40a36

Aliases

arxiv: 0807.4770 · arxiv_version: 0807.4770v2 · doi: 10.48550/arxiv.0807.4770 · pith_short_12: DSM7LJOH5SNM · pith_short_16: DSM7LJOH5SNMQSMF · pith_short_8: DSM7LJOH

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/DSM7LJOH5SNMQSMFHD6DCSZSLT \
  | 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: 1c99f5a5c7ec9ac8498538fc314b325ced4959d00e05c11c556701e843b40a36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2dd59fc6eca328b0aeb8a22a53e3f77e377aa7fcdd0b499ee5ce8b1a537fa1c0",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2008-07-30T02:44:37Z",
    "title_canon_sha256": "4b96eefb24c65fc1d47c8a0f658bff25c18ad8944580332b2ed4c8658cf6a4b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4770",
    "kind": "arxiv",
    "version": 2
  }
}