Pith Number

pith:EWLWLGGG

pith:2015:EWLWLGGGCUSYAZY4ZEJEXAJOCB

not attested not anchored not stored refs pending

Matched Multiuser Gaussian Source-Channel Communications via Uncoded Schemes

Chao Tian, Jun Chen, Shlomo Shamai, Suhas Diggavi

arxiv:1502.05428 v2 · 2015-02-18 · 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{EWLWLGGGCUSYAZY4ZEJEXAJOCB}

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	2026-05-18T00:49:47.382280Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25976598c6152580671cc9124b812e10403a73c6411c24b23877649f68b12704

Aliases

arxiv: 1502.05428 · arxiv_version: 1502.05428v2 · doi: 10.48550/arxiv.1502.05428 · pith_short_12: EWLWLGGGCUSY · pith_short_16: EWLWLGGGCUSYAZY4 · pith_short_8: EWLWLGGG

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/EWLWLGGGCUSYAZY4ZEJEXAJOCB \
  | 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: 25976598c6152580671cc9124b812e10403a73c6411c24b23877649f68b12704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0e5e1f65da3fe9a2eb5aed1998744dbe39d220738d910567d0cc6945d9a6dd8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-18T22:07:57Z",
    "title_canon_sha256": "6662b86cd1ed3237360789f0fede3dac66039f359a55ee6ffb0d9440fbd0b105"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05428",
    "kind": "arxiv",
    "version": 2
  }
}