Pith Number

pith:QCHKJRTQ

pith:2019:QCHKJRTQZEUZSXF6OG4SOVPBK3

not attested not anchored not stored refs pending

Uniform Minors in Maximally Recoverable Codes

Camilla Hollanti, Matthias Grezet, Ragnar Freij-Hollanti, Thomas Westerb\"ack

arxiv:1906.02423 v1 · 2019-06-06 · 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{QCHKJRTQZEUZSXF6OG4SOVPBK3}

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	2026-05-17T23:44:01.252057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

808ea4c670c929995cbe71b92755e156cdcff26ca95020cb815438fc382d264f

Aliases

arxiv: 1906.02423 · arxiv_version: 1906.02423v1 · doi: 10.48550/arxiv.1906.02423 · pith_short_12: QCHKJRTQZEUZ · pith_short_16: QCHKJRTQZEUZSXF6 · pith_short_8: QCHKJRTQ

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/QCHKJRTQZEUZSXF6OG4SOVPBK3 \
  | 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: 808ea4c670c929995cbe71b92755e156cdcff26ca95020cb815438fc382d264f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af2d5412a0b6e346d3613274ebf798eef0722a8d55a53b272c97d77a3605ca49",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-06T05:27:34Z",
    "title_canon_sha256": "de7206372ce4334e8d94d67109579d9f3e54d8f897d9ebb623db7c26cde1e7d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02423",
    "kind": "arxiv",
    "version": 1
  }
}