Pith Number

pith:T7RNWVMM

pith:2019:T7RNWVMMXRYQKZYLM6IZ7ZZSSC

not attested not anchored not stored refs pending

On Euclidean Hulls of MDS Codes

Jinquan Luo, Meiqing Liu, Xiaolei Fang

arxiv:1908.01173 v3 · 2019-08-03 · 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{T7RNWVMMXRYQKZYLM6IZ7ZZSSC}

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	2026-07-05T00:14:20.535361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9fe2db558cbc7105670b67919fe732909af07859dc47be81746a19ebd0a745c5

Aliases

arxiv: 1908.01173 · arxiv_version: 1908.01173v3 · doi: 10.48550/arxiv.1908.01173 · pith_short_12: T7RNWVMMXRYQ · pith_short_16: T7RNWVMMXRYQKZYL · pith_short_8: T7RNWVMM

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/T7RNWVMMXRYQKZYLM6IZ7ZZSSC \
  | 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: 9fe2db558cbc7105670b67919fe732909af07859dc47be81746a19ebd0a745c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8671e7056ebccd69c178a8b3dec4fd9cc1c46c0e4a827efb6c4b68aeffe4cc29",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-08-03T13:36:55Z",
    "title_canon_sha256": "c291c77e34aa85df8ebb1eefed063c7b872907e877348624fe5f88765fbb4cee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01173",
    "kind": "arxiv",
    "version": 3
  }
}