pith. sign in
Pith Number

pith:7K2PZI5M

pith:2015:7K2PZI5MPU43RQ3BZNJCG7EOMA
not attested not anchored not stored refs pending

Alignment based Network Coding for Two-Unicast-Z Networks

Muriel Medard, Viveck R. Cadambe, Weifei Zeng

arxiv:1502.00656 v2 · 2015-02-02 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7K2PZI5MPU43RQ3BZNJCG7EOMA}

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 2026-05-18T02:27:43.756979Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fab4fca3ac7d39b8c361cb52237c8e6023a6cfc51df35b345cc24031a6617008

Aliases

arxiv: 1502.00656 · arxiv_version: 1502.00656v2 · doi: 10.48550/arxiv.1502.00656 · pith_short_12: 7K2PZI5MPU43 · pith_short_16: 7K2PZI5MPU43RQ3B · pith_short_8: 7K2PZI5M
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7K2PZI5MPU43RQ3BZNJCG7EOMA \
  | 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: fab4fca3ac7d39b8c361cb52237c8e6023a6cfc51df35b345cc24031a6617008
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9222ed59917367213b67db296b850498630b96c0c2395bb4f9ec967d9a6c4be0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-02T21:41:02Z",
    "title_canon_sha256": "a1f50f8f6e332369ac8957e0a8c8ca1bf8aaf6c52f9751b1d8bb45392e8ed0ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00656",
    "kind": "arxiv",
    "version": 2
  }
}