pith. sign in
Pith Number

pith:73KE4U2H

pith:2009:73KE4U2HH5QYW46PT3JI44SLPP
not attested not anchored not stored refs pending

Joint Source-Channel Coding on a Multiple Access Channel with Side Information

R. Rajesh, Vinod Sharma, V. K. Varshenya

arxiv:0904.4006 v1 · 2009-04-26 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{73KE4U2HH5QYW46PT3JI44SLPP}

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 2026-05-18T00:59:11.406214Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fed44e53473f618b73cf9ed28e724b7bdd25860d3f5c397801fd5bc3cf2b1e62

Aliases

arxiv: 0904.4006 · arxiv_version: 0904.4006v1 · doi: 10.48550/arxiv.0904.4006 · pith_short_12: 73KE4U2HH5QY · pith_short_16: 73KE4U2HH5QYW46P · pith_short_8: 73KE4U2H
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/73KE4U2HH5QYW46PT3JI44SLPP \
  | 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: fed44e53473f618b73cf9ed28e724b7bdd25860d3f5c397801fd5bc3cf2b1e62
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "89ca42292b07d754548f48aae7295953c4c61341b449dede904bfc90ea6a759d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-04-26T04:43:59Z",
    "title_canon_sha256": "a3d7f76e3c09e5ff9e51142fa986c5f6c9822f81f284b24a2c49c18b360704f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4006",
    "kind": "arxiv",
    "version": 1
  }
}