Pith Number

pith:MAR2HJ57

pith:2020:MAR2HJ57MY3XZFOLBMIZMLIPLF

not attested not anchored not stored refs pending

Fast List Decoders for Polarization-Adjusted Convolutional (PAC) Codes

Dou Li, Hongfei Zhu, Yanjun Yang, Yuping Zhao, Zhiwei Cao

arxiv:2012.09425 v2 · 2020-12-17 · 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{MAR2HJ57MY3XZFOLBMIZMLIPLF}

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	2026-07-05T02:02:08.668511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6023a3a7bf66377c95cb0b11962d0f5964bcc1b8bca2d8cf479020f41914d20e

Aliases

arxiv: 2012.09425 · arxiv_version: 2012.09425v2 · doi: 10.48550/arxiv.2012.09425 · pith_short_12: MAR2HJ57MY3X · pith_short_16: MAR2HJ57MY3XZFOL · pith_short_8: MAR2HJ57

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/MAR2HJ57MY3XZFOLBMIZMLIPLF \
  | 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: 6023a3a7bf66377c95cb0b11962d0f5964bcc1b8bca2d8cf479020f41914d20e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f82341cad7c1eb475a18ddcad77d4301840fad72b84bed3be55cad3d92dd2c79",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-12-17T07:31:38Z",
    "title_canon_sha256": "e09e11851264b45202910af4ea7c09863e6072b632cb5fa07073e88322ad987e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09425",
    "kind": "arxiv",
    "version": 2
  }
}