Pith Number

pith:YXFGX2QD

pith:2020:YXFGX2QDNRP2P7MERABNDUHRBS

not attested not anchored not stored refs pending

Bounds for the capacity error function for unidirectional channels with noiseless feedback

Christian Deppe, Georg Maringer, Vladimir Lebedev

arxiv:2001.09030 v2 · 2020-01-24 · 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{YXFGX2QDNRP2P7MERABNDUHRBS}

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	2026-07-05T00:58:47.427204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5ca6bea036c5fa7fd848802d1d0f10c9b491fb087637022b7b9d5c0ee7030bf

Aliases

arxiv: 2001.09030 · arxiv_version: 2001.09030v2 · doi: 10.48550/arxiv.2001.09030 · pith_short_12: YXFGX2QDNRP2 · pith_short_16: YXFGX2QDNRP2P7ME · pith_short_8: YXFGX2QD

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/YXFGX2QDNRP2P7MERABNDUHRBS \
  | 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: c5ca6bea036c5fa7fd848802d1d0f10c9b491fb087637022b7b9d5c0ee7030bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c67568728a37ee48ff5d28035499d80fcb36ab924b7e4dacee77388afaccd79d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-01-24T14:27:55Z",
    "title_canon_sha256": "b18cea9acc97f0c9cc11132814b4e2112e405a3dd233e40f04954df6ac790924"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.09030",
    "kind": "arxiv",
    "version": 2
  }
}