Pith Number

pith:OJPW4JWG

pith:2010:OJPW4JWGUSRFFTFCTYWVNC55FZ

not attested not anchored not stored refs pending

Interference Channel with a Half-Duplex Out-of-Band Relay

Elza Erkip, Onur Sahin, Osvaldo Simeone

arxiv:1005.2251 v1 · 2010-05-13 · 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{OJPW4JWGUSRFFTFCTYWVNC55FZ}

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	2026-05-18T00:58:19.549199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

725f6e26c6a4a252cca29e2d568bbd2e763f23c0c9e8f2286173951bfe2b830d

Aliases

arxiv: 1005.2251 · arxiv_version: 1005.2251v1 · doi: 10.48550/arxiv.1005.2251 · pith_short_12: OJPW4JWGUSRF · pith_short_16: OJPW4JWGUSRFFTFC · pith_short_8: OJPW4JWG

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/OJPW4JWGUSRFFTFCTYWVNC55FZ \
  | 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: 725f6e26c6a4a252cca29e2d568bbd2e763f23c0c9e8f2286173951bfe2b830d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dce85f8c4acd31217594c62e240db275495fff4195d614b03d1dc14749bee1f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-05-13T02:54:49Z",
    "title_canon_sha256": "5306deec6d5fcd39908d137ef2c8588ecf27067450d540b83d70203046d0786f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2251",
    "kind": "arxiv",
    "version": 1
  }
}