Pith Number

pith:GDWHJXIL

pith:2012:GDWHJXIL6MLUD7K4LA7I3K72J2

not attested not anchored not stored refs pending

On the Sum Rate of a 2 x 2 Interference Network

Murali Sridhar, Srikrishna Bhashyam

arxiv:1208.2121 v2 · 2012-08-10 · 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{GDWHJXIL6MLUD7K4LA7I3K72J2}

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	2026-05-18T00:54:09.191271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30ec74dd0bf31741fd5c583e8dabfa4e95f16017a78cfc44a89ed9be9b3f64ce

Aliases

arxiv: 1208.2121 · arxiv_version: 1208.2121v2 · doi: 10.48550/arxiv.1208.2121 · pith_short_12: GDWHJXIL6MLU · pith_short_16: GDWHJXIL6MLUD7K4 · pith_short_8: GDWHJXIL

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/GDWHJXIL6MLUD7K4LA7I3K72J2 \
  | 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: 30ec74dd0bf31741fd5c583e8dabfa4e95f16017a78cfc44a89ed9be9b3f64ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bded529c9d2b0452b58a562398ed0ac0a28d841582b4c33d52c658ac3724690",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-08-10T09:12:23Z",
    "title_canon_sha256": "f1700c448c056f8b61f57c0b26d284fe75c1d7c330dad9d8594f1d6018f9d945"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.2121",
    "kind": "arxiv",
    "version": 2
  }
}