Pith Number

pith:WV6ECNH3

pith:2017:WV6ECNH3NSCQUOEG2GKVQGK73A

not attested not anchored not stored refs pending

Polar Code Construction for List Decoding

Georg B\"ocherer, Onurcan \.I\c{s}can, Peihong Yuan, Ronald B\"ohnke, Tobias Prinz, Wen Xu

arxiv:1707.09753 v2 · 2017-07-31 · 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{WV6ECNH3NSCQUOEG2GKVQGK73A}

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	2026-05-18T00:09:04.272265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b57c4134fb6c850a3886d19558195fd80a8fd89d1d558d7e5cd9f64ea472cfb5

Aliases

arxiv: 1707.09753 · arxiv_version: 1707.09753v2 · doi: 10.48550/arxiv.1707.09753 · pith_short_12: WV6ECNH3NSCQ · pith_short_16: WV6ECNH3NSCQUOEG · pith_short_8: WV6ECNH3

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/WV6ECNH3NSCQUOEG2GKVQGK73A \
  | 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: b57c4134fb6c850a3886d19558195fd80a8fd89d1d558d7e5cd9f64ea472cfb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b798dd08cbd07469e720f58f756771b4c9d29fb52e6ca09b842725726192164",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-31T08:18:13Z",
    "title_canon_sha256": "7d7018e305ac40c125e0c1f3eb70be94913d0a800e4539caa5b223a3f82a75cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.09753",
    "kind": "arxiv",
    "version": 2
  }
}