Pith Number

pith:23XGXXTF

pith:2017:23XGXXTFZUMZL735YYAH2M3OF7

not attested not anchored not stored refs pending

On decoding algorithms for polar codes

Ilya Dumer

arxiv:1703.05307 v2 · 2017-03-14 · 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{23XGXXTFZUMZL735YYAH2M3OF7}

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	2026-05-18T00:48:32.202292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6ee6bde65cd1995ff7dc6007d336e2feae9e4dc34ff0969888a463c30decca3

Aliases

arxiv: 1703.05307 · arxiv_version: 1703.05307v2 · doi: 10.48550/arxiv.1703.05307 · pith_short_12: 23XGXXTFZUMZ · pith_short_16: 23XGXXTFZUMZL735 · pith_short_8: 23XGXXTF

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/23XGXXTFZUMZL735YYAH2M3OF7 \
  | 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: d6ee6bde65cd1995ff7dc6007d336e2feae9e4dc34ff0969888a463c30decca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a98ea6cce844573dd834d9682e99536fff61bbc19fac778c7b838bfd79b840f",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-14T23:33:56Z",
    "title_canon_sha256": "00f21e6d46029b9ae9d53eda1856fe9c053f25ec0c1e1879066a1577a79d3568"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.05307",
    "kind": "arxiv",
    "version": 2
  }
}