Pith Number

pith:R5WWODM2

pith:2017:R5WWODM2NFB5ZAKNUZOW2UP3AZ

not attested not anchored not stored refs pending

Distributed Optimization for Coordinated Beamforming in Multi-Cell Multigroup Multicast Systems: Power Minimization and SINR Balancing

Bj\"orn Ottersten, Dimitrios Christopoulos, Harri Pennanen, Oskari Tervo, Symeon Chatzinotas

arxiv:1710.00543 v1 · 2017-10-02 · 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{R5WWODM2NFB5ZAKNUZOW2UP3AZ}

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	2026-05-18T00:23:32.862788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f6d670d9a6943dc814da65d6d51fb06797ca61cd5f4176e7cc0a3aab0d367f8

Aliases

arxiv: 1710.00543 · arxiv_version: 1710.00543v1 · doi: 10.48550/arxiv.1710.00543 · pith_short_12: R5WWODM2NFB5 · pith_short_16: R5WWODM2NFB5ZAKN · pith_short_8: R5WWODM2

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/R5WWODM2NFB5ZAKNUZOW2UP3AZ \
  | 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: 8f6d670d9a6943dc814da65d6d51fb06797ca61cd5f4176e7cc0a3aab0d367f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5bab4d022a2f6034698de96f093f3bd2b7edf26b72dc36d646cb7b30d1891a2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-02T09:05:12Z",
    "title_canon_sha256": "2d958d2981782c1f3bd216fcce7558955285d586db82b272b05cba5554cdab4a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.00543",
    "kind": "arxiv",
    "version": 1
  }
}