Pith Number

pith:NJ5577PO

pith:2015:NJ5577POSL4X6JFRPZIHYMAXQC

not attested not anchored not stored refs pending

Symbol Based Precoding in The Downlink of Cognitive MISO Channels

Bjorn Ottersten, Maha Alodeh, Symeon Chatzinotas

arxiv:1505.01950 v1 · 2015-05-08 · 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{NJ5577POSL4X6JFRPZIHYMAXQC}

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	2026-05-18T02:16:38.386268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a7bdffdee92f97f24b17e507c301780bc153fd1c12ca57870d1f3d346b538c9

Aliases

arxiv: 1505.01950 · arxiv_version: 1505.01950v1 · doi: 10.48550/arxiv.1505.01950 · pith_short_12: NJ5577POSL4X · pith_short_16: NJ5577POSL4X6JFR · pith_short_8: NJ5577PO

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/NJ5577POSL4X6JFRPZIHYMAXQC \
  | 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: 6a7bdffdee92f97f24b17e507c301780bc153fd1c12ca57870d1f3d346b538c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5781c3590172658bbd09713b94a02dab183fb6aad911962cca6d22774a785ced",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-08T08:04:18Z",
    "title_canon_sha256": "8d963bc7497b2b6c8f01a0721d28a991ef980a5e1bf4b801c089c8bba6ecd497"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01950",
    "kind": "arxiv",
    "version": 1
  }
}