Pith Number

pith:ZQ7YGV5V

pith:2011:ZQ7YGV5VF6XUKESCJ5HSGIRN2H

not attested not anchored not stored refs pending

The Information Flow and Capacity of Channels with Noisy Feedback

Chong Li, Nicola Elia

arxiv:1108.2815 v2 · 2011-08-13 · 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{ZQ7YGV5VF6XUKESCJ5HSGIRN2H}

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	2026-05-18T02:21:41.867345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc3f8357b52faf4512424f4f23222dd1e4d8a62bae69f066671dade6c84294b0

Aliases

arxiv: 1108.2815 · arxiv_version: 1108.2815v2 · doi: 10.48550/arxiv.1108.2815 · pith_short_12: ZQ7YGV5VF6XU · pith_short_16: ZQ7YGV5VF6XUKESC · pith_short_8: ZQ7YGV5V

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/ZQ7YGV5VF6XUKESCJ5HSGIRN2H \
  | 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: cc3f8357b52faf4512424f4f23222dd1e4d8a62bae69f066671dade6c84294b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe07a73bacf5f5201bfb2f6128c05a6fdbab403346738c149aafb42b48ae008a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-08-13T19:14:17Z",
    "title_canon_sha256": "da2e9d232b9ebcbdf69207d683aea3ec804ff1aa1f7959e3a40a0f04dc351d99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2815",
    "kind": "arxiv",
    "version": 2
  }
}