Pith Number

pith:6PQWECB5

pith:2009:6PQWECB5NKEXE2NXGOXDN5CU57

not attested not anchored not stored refs pending

Compute-and-Forward: Harnessing Interference through Structured Codes

Bobak Nazer, Michael Gastpar

arxiv:0908.2119 v3 · 2009-08-14 · 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{6PQWECB5NKEXE2NXGOXDN5CU57}

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	2026-05-18T04:20:13.338134Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f3e162083d6a897269b733ae36f454efd05ec40317d10389d2a2510ce961947f

Aliases

arxiv: 0908.2119 · arxiv_version: 0908.2119v3 · doi: 10.48550/arxiv.0908.2119 · pith_short_12: 6PQWECB5NKEX · pith_short_16: 6PQWECB5NKEXE2NX · pith_short_8: 6PQWECB5

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/6PQWECB5NKEXE2NXGOXDN5CU57 \
  | 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: f3e162083d6a897269b733ae36f454efd05ec40317d10389d2a2510ce961947f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2256b2eb82cc2cfa69fe7d2527e411033bf59017fbe68aba69bf116b03ebfd7",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-08-14T19:56:39Z",
    "title_canon_sha256": "8f3089c98ebe81e4fffa406fd33f833b7590fe644a8f5812f048aa1a27228a31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2119",
    "kind": "arxiv",
    "version": 3
  }
}