Pith Number

pith:TCY4GIIJ

pith:2015:TCY4GIIJHGI3LOGUHDDY2AE2DJ

not attested not anchored not stored refs pending

Fast List Decoders for Polar Codes

Alexander Vardy, Claude Thibeault, Gabi Sarkis, Pascal Giard, Warren J. Gross

arxiv:1505.01466 v2 · 2015-05-06 · 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{TCY4GIIJHGI3LOGUHDDY2AE2DJ}

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	2026-05-18T01:23:48.273781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98b1c321093991b5b8d438c78d009a1a59a138c8bbca61769d2a0b1eb3ef74d7

Aliases

arxiv: 1505.01466 · arxiv_version: 1505.01466v2 · doi: 10.48550/arxiv.1505.01466 · pith_short_12: TCY4GIIJHGI3 · pith_short_16: TCY4GIIJHGI3LOGU · pith_short_8: TCY4GIIJ

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/TCY4GIIJHGI3LOGUHDDY2AE2DJ \
  | 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: 98b1c321093991b5b8d438c78d009a1a59a138c8bbca61769d2a0b1eb3ef74d7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797e62b69a6696c04f59e4dbf67b074cdb85fd1fb9fb243354435d129d67ba2f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-06T19:15:44Z",
    "title_canon_sha256": "d6aa895bcc61c02889151e75a1ae64176c1b0332243a65db68504ce80330e45a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01466",
    "kind": "arxiv",
    "version": 2
  }
}