Pith Number

pith:ENI2A36T

pith:2017:ENI2A36TNOI2N4UVPKRDQJPPD7

not attested not anchored not stored refs pending

On the Sub-optimality of Single-letter Coding in Multi-terminal Communications

Farhad Shirani, S. Sandeep Pradhan

arxiv:1702.01376 v1 · 2017-02-05 · 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{ENI2A36TNOI2N4UVPKRDQJPPD7}

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	2026-05-18T00:51:23.611536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2351a06fd36b91a6f2957aa23825ef1fe7339093f5fba06804bc0b25778f153c

Aliases

arxiv: 1702.01376 · arxiv_version: 1702.01376v1 · doi: 10.48550/arxiv.1702.01376 · pith_short_12: ENI2A36TNOI2 · pith_short_16: ENI2A36TNOI2N4UV · pith_short_8: ENI2A36T

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/ENI2A36TNOI2N4UVPKRDQJPPD7 \
  | 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: 2351a06fd36b91a6f2957aa23825ef1fe7339093f5fba06804bc0b25778f153c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69ff2730e5994a4a852d7ab6afdca821a82b184b350b5742f79129a51a7e500b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-05T07:30:54Z",
    "title_canon_sha256": "fc1b91b70035aadad961a5d60615c2df38255a22f8cae9b725f18610e120acab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01376",
    "kind": "arxiv",
    "version": 1
  }
}