Pith Number

pith:BYT4P7T5

pith:2018:BYT4P7T5U5MYY3FYQKG6KWZLSS

not attested not anchored not stored refs pending

Bounds on the Effective-length of Optimal Codes for Interference Channel with Feedback

Farhad Shirani, Mohsen Heidari, S. Sandeep Pradhan

arxiv:1801.05294 v1 · 2018-01-16 · 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{BYT4P7T5U5MYY3FYQKG6KWZLSS}

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	2026-05-18T00:25:47.310951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e27c7fe7da7598c6cb8828de55b2b949b6a0b684b0ff606be2853eab3178b8a

Aliases

arxiv: 1801.05294 · arxiv_version: 1801.05294v1 · doi: 10.48550/arxiv.1801.05294 · pith_short_12: BYT4P7T5U5MY · pith_short_16: BYT4P7T5U5MYY3FY · pith_short_8: BYT4P7T5

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/BYT4P7T5U5MYY3FYQKG6KWZLSS \
  | 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: 0e27c7fe7da7598c6cb8828de55b2b949b6a0b684b0ff606be2853eab3178b8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "007bb6e822608c65d9553f9a88c74e615187b6e19a8b686a2f95bb10071f3b89",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-01-16T15:25:36Z",
    "title_canon_sha256": "7df522192af8be295b31426da71337faeb83b21c8d0cf342f60ed38afc54374b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.05294",
    "kind": "arxiv",
    "version": 1
  }
}