Pith Number

pith:POK6C7JV

pith:2017:POK6C7JVVU23KUSHRCUZW2ED5V

not attested not anchored not stored refs pending

Polar Codes over Fading Channels with Power and Delay Constraints

K. R. Sahasranand, P. K. Deekshith

arxiv:1704.00663 v1 · 2017-04-03 · 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{POK6C7JVVU23KUSHRCUZW2ED5V}

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	2026-05-18T00:47:21.687647Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b95e17d35ad35b5524788a99b6883ed55829aee9f273ea71cc599213406fe7b

Aliases

arxiv: 1704.00663 · arxiv_version: 1704.00663v1 · doi: 10.48550/arxiv.1704.00663 · pith_short_12: POK6C7JVVU23 · pith_short_16: POK6C7JVVU23KUSH · pith_short_8: POK6C7JV

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/POK6C7JVVU23KUSHRCUZW2ED5V \
  | 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: 7b95e17d35ad35b5524788a99b6883ed55829aee9f273ea71cc599213406fe7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b36a3a7b1e5d16dccebd3077fefa37edb4691fde5f3a77f6a82d66363beba3d",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-04-03T16:21:02Z",
    "title_canon_sha256": "bfa5fd52efe310f86c1e3420f31f649057b4a00faf74aa54eb41bf9fe2a32f8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.00663",
    "kind": "arxiv",
    "version": 1
  }
}