Pith Number

pith:FYFZXLXX

pith:2021:FYFZXLXXXWZKDDUO3HTWFMZM2H

not attested not anchored not stored refs pending

Computability of the Channel Reliability Function and Related Bounds

Christian Deppe, Holger Boche

arxiv:2101.09754 v3 · 2021-01-24 · 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{FYFZXLXXXWZKDDUO3HTWFMZM2H}

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	2026-07-05T08:20:20.181698Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e0b9baef7bdb2a18e8ed9e762b32cd1c32ce5de760ebe62bee914e94adfcf1b

Aliases

arxiv: 2101.09754 · arxiv_version: 2101.09754v3 · doi: 10.48550/arxiv.2101.09754 · pith_short_12: FYFZXLXXXWZK · pith_short_16: FYFZXLXXXWZKDDUO · pith_short_8: FYFZXLXX

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/FYFZXLXXXWZKDDUO3HTWFMZM2H \
  | 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: 2e0b9baef7bdb2a18e8ed9e762b32cd1c32ce5de760ebe62bee914e94adfcf1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b7d4d82910d62f7e2fca6d646d504c4ee791455ef6a11161b4bfc811e774185",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-01-24T17:00:39Z",
    "title_canon_sha256": "f966b14a9407a16849545302207e1e28ac824a636178b3ff8bd483f6ceba0627"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.09754",
    "kind": "arxiv",
    "version": 3
  }
}