Pith Number

pith:IDJ642WK

pith:2017:IDJ642WKDNQEDSDUFVRPQJ6WYU

not attested not anchored not stored refs pending

Column distance of convolutional codes over Zpr

Diego Napp, Marisa Toste, Raquel Pinto

arxiv:1708.00336 v1 · 2017-07-31 · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDJ642WKDNQEDSDUFVRPQJ6WYU}

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	2026-05-18T00:39:05.377599Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40d3ee6aca1b6041c8742d62f827d6c52806c68e39fb7b7a50f08bc24859bd7a

Aliases

arxiv: 1708.00336 · arxiv_version: 1708.00336v1 · doi: 10.48550/arxiv.1708.00336 · pith_short_12: IDJ642WKDNQE · pith_short_16: IDJ642WKDNQEDSDU · pith_short_8: IDJ642WK

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/IDJ642WKDNQEDSDUFVRPQJ6WYU \
  | 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: 40d3ee6aca1b6041c8742d62f827d6c52806c68e39fb7b7a50f08bc24859bd7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3483905230385ee7b60c9f4a93370a249b3c5df2b38ef8640ecb33ac28696c34",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-07-31T14:54:05Z",
    "title_canon_sha256": "e6848978ffbeab97a219d5f97335bc363e306dc49f23474a34463e85c04d64c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.00336",
    "kind": "arxiv",
    "version": 1
  }
}