Pith Number

pith:LJ5O6L63

pith:2017:LJ5O6L63TDWGCMET2TB3FV7SDM

not attested not anchored not stored refs pending

Computing the channel capacity of a communication system affected by uncertain transition probabilities

Aharon Ben-Tal, Krzysztof Postek

arxiv:1706.05889 v1 · 2017-06-19 · cs.IT · math.IT · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJ5O6L63TDWGCMET2TB3FV7SDM}

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	2026-05-18T00:15:00.032414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7aef2fdb98ec613093d4c3b2d7f21b1a09edf2d5b37ddb32309f65b851e89d

Aliases

arxiv: 1706.05889 · arxiv_version: 1706.05889v1 · doi: 10.48550/arxiv.1706.05889 · pith_short_12: LJ5O6L63TDWG · pith_short_16: LJ5O6L63TDWGCMET · pith_short_8: LJ5O6L63

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/LJ5O6L63TDWGCMET2TB3FV7SDM \
  | 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: 5a7aef2fdb98ec613093d4c3b2d7f21b1a09edf2d5b37ddb32309f65b851e89d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7af310aa99fc34f7b5e8c0f097c051918f0f87ffbe98c9a143eacf1f1e3ae95",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-06-19T11:39:40Z",
    "title_canon_sha256": "345d79f6377d11571e77414418f280dc6b254cda5323e339c89836997376028c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.05889",
    "kind": "arxiv",
    "version": 1
  }
}