Pith Number

pith:VUVDF5WR

pith:2013:VUVDF5WRZNTHU6PZ6JUH5EIOP4

not attested not anchored not stored refs pending

A Novel Lowest Density MDS Array Code

Filippo Tosato, Magnus Sandell

arxiv:1306.4552 v3 · 2013-06-19 · 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{VUVDF5WRZNTHU6PZ6JUH5EIOP4}

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	2026-05-18T03:07:54.513356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2a32f6d1cb667a79f9f2687e910e7f059c3c8c72ae96ca1412c14f1cc70a5d

Aliases

arxiv: 1306.4552 · arxiv_version: 1306.4552v3 · doi: 10.48550/arxiv.1306.4552 · pith_short_12: VUVDF5WRZNTH · pith_short_16: VUVDF5WRZNTHU6PZ · pith_short_8: VUVDF5WR

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/VUVDF5WRZNTHU6PZ6JUH5EIOP4 \
  | 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: ad2a32f6d1cb667a79f9f2687e910e7f059c3c8c72ae96ca1412c14f1cc70a5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fd3a1f3366a1f3904e583bc4c48d01e5184ad6c94e8c78d38183e7eb9fef898",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-06-19T13:58:11Z",
    "title_canon_sha256": "43d146851d5309c66872c0dee26a6c363fbc706667796ae72f9389c35f08ab8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4552",
    "kind": "arxiv",
    "version": 3
  }
}