Pith Number

pith:N6WT7IH4

pith:2017:N6WT7IH43JUO2KMUT3F22HTFWJ

not attested not anchored not stored refs pending

Explicit MDS Codes with Complementary Duals

Lingfei Jin, Peter Beelen

arxiv:1710.01872 v1 · 2017-10-05 · 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{N6WT7IH43JUO2KMUT3F22HTFWJ}

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	2026-05-18T00:33:38.182906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fad3fa0fcda68ed29949ecbad1e65b24271b7ac3a7d88a72e7c4aade8e39f26

Aliases

arxiv: 1710.01872 · arxiv_version: 1710.01872v1 · doi: 10.48550/arxiv.1710.01872 · pith_short_12: N6WT7IH43JUO · pith_short_16: N6WT7IH43JUO2KMU · pith_short_8: N6WT7IH4

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/N6WT7IH43JUO2KMUT3F22HTFWJ \
  | 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: 6fad3fa0fcda68ed29949ecbad1e65b24271b7ac3a7d88a72e7c4aade8e39f26

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0871aee6cf4cba2929d1b9334b6a7dad1f9d40be7f61c1c1948333ddfb22cad",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-05T03:33:38Z",
    "title_canon_sha256": "8db4b68554921fdaf1039af91462ed9929a960fb2f0f6ad260d0c6a5b2be68d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.01872",
    "kind": "arxiv",
    "version": 1
  }
}