Pith Number

pith:YQ45XCRY

pith:2017:YQ45XCRYOJBAMV3KHVUENT3N2W

not attested not anchored not stored refs pending

Single Letter Expression of Capacity for a Class of Channels with Memory

Charalambos D. Charalambous, Christos K. Kourtellaris, Ioannis Tzortzis

arxiv:1701.01007 v1 · 2017-01-04 · 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{YQ45XCRYOJBAMV3KHVUENT3N2W}

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	2026-05-18T00:53:21.690427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c439db8a38724206576a3d6846cf6dd582ec01d3fe82ae4418ec7e3cdfeebccc

Aliases

arxiv: 1701.01007 · arxiv_version: 1701.01007v1 · doi: 10.48550/arxiv.1701.01007 · pith_short_12: YQ45XCRYOJBA · pith_short_16: YQ45XCRYOJBAMV3K · pith_short_8: YQ45XCRY

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/YQ45XCRYOJBAMV3KHVUENT3N2W \
  | 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: c439db8a38724206576a3d6846cf6dd582ec01d3fe82ae4418ec7e3cdfeebccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e91b36d878949367b1a144de96e9610d2161d6a713b70348e2d031cd26649966",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-04T13:42:12Z",
    "title_canon_sha256": "3200d5f6fe80233d592b23d71d18fe6a949185d7d246e7895e72f6be37e7ca1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.01007",
    "kind": "arxiv",
    "version": 1
  }
}