pith. sign in
Pith Number

pith:RGTCTDC4

pith:2011:RGTCTDC4QK5PTF6BWGRWBTVW7L
not attested not anchored not stored refs pending

Broadcast Channels with Delayed Finite-Rate Feedback: Predict or Observe?

Jeffrey G. Andrews, Jiaming Xu, Syed A. Jafar

arxiv:1105.3686 v1 · 2011-05-18 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RGTCTDC4QK5PTF6BWGRWBTVW7L}

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 2026-05-18T04:21:52.055023Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

89a6298c5c82baf997c1b1a360ceb6fac81782816fd9a7355b0985a9b5f6f9ac

Aliases

arxiv: 1105.3686 · arxiv_version: 1105.3686v1 · doi: 10.48550/arxiv.1105.3686 · pith_short_12: RGTCTDC4QK5P · pith_short_16: RGTCTDC4QK5PTF6B · pith_short_8: RGTCTDC4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RGTCTDC4QK5PTF6BWGRWBTVW7L \
  | 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: 89a6298c5c82baf997c1b1a360ceb6fac81782816fd9a7355b0985a9b5f6f9ac
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1223591c5623787f319dc2e6990869f262aef76f2397606f788390244b1a2492",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-05-18T16:49:54Z",
    "title_canon_sha256": "060d98e47444917e9fd1a2a6942fcd00fea6a4b5e5f9ce7b04e4159c97a68d67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3686",
    "kind": "arxiv",
    "version": 1
  }
}