pith. sign in
Pith Number

pith:VVDWQU47

pith:2017:VVDWQU474GL66POZUKFR2DXMGS
not attested not anchored not stored refs pending

LCD codes over ${\mathbb F}_q $ are as good as linear codes for q at least four

Ruud Pellikaan

arxiv:1707.08856 v1 · 2017-07-27 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VVDWQU474GL66POZUKFR2DXMGS}

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 2026-05-18T00:05:46.268034Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ad4768539fe197ef3dd9a28b1d0eec349b637e9e91ae2b73c5f332e544f40bd6

Aliases

arxiv: 1707.08856 · arxiv_version: 1707.08856v1 · doi: 10.48550/arxiv.1707.08856 · pith_short_12: VVDWQU474GL6 · pith_short_16: VVDWQU474GL66POZ · pith_short_8: VVDWQU47
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VVDWQU474GL66POZUKFR2DXMGS \
  | 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: ad4768539fe197ef3dd9a28b1d0eec349b637e9e91ae2b73c5f332e544f40bd6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e4f4a5779b686d14e1e62019d47e4f898b6c1e7c0dfccaa8be654d0c254764f8",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-07-27T13:24:48Z",
    "title_canon_sha256": "ff52e4ac21052a1f6fa3cd6e383782fa31719929e29f9813e34f7b99393a0c38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.08856",
    "kind": "arxiv",
    "version": 1
  }
}