Pith Number

pith:UQV2BJBH

pith:2010:UQV2BJBHI2OKEHGHC7RAK7BAH6

not attested not anchored not stored refs pending

Linear Sum Capacity for Gaussian Multiple Access Channels with Feedback

Ehsan Ardestanizadeh, Michele A. Wigger, Tara Javidi, Young-Han Kim

arxiv:1002.1781 v2 · 2010-02-09 · 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{UQV2BJBHI2OKEHGHC7RAK7BAH6}

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	2026-05-18T04:20:50.018199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a42ba0a427469ca21cc717e2057c203faa46ac271e41db207007bc9cf0872f40

Aliases

arxiv: 1002.1781 · arxiv_version: 1002.1781v2 · doi: 10.48550/arxiv.1002.1781 · pith_short_12: UQV2BJBHI2OK · pith_short_16: UQV2BJBHI2OKEHGH · pith_short_8: UQV2BJBH

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/UQV2BJBHI2OKEHGHC7RAK7BAH6 \
  | 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: a42ba0a427469ca21cc717e2057c203faa46ac271e41db207007bc9cf0872f40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "872642cdfb9cf65cd9b8b3bd65754f48df0957418af2fcf4650051a170bd19a6",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-02-09T20:26:54Z",
    "title_canon_sha256": "b8f4fe54e54d86494f782c67f94cf7bab3c8680bfebfc5c6444fd4c8456e5f51"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1781",
    "kind": "arxiv",
    "version": 2
  }
}