pith. sign in
Pith Number

pith:CENDMM3F

pith:2016:CENDMM3FNGDWZTMEOQ7IFNSAGW
not attested not anchored not stored refs pending

Maximally Recoverable Codes for Grid-like Topologies

Carol Wang, Guangda Hu, Parikshit Gopalan, Sergey Yekhanin, Shubhangi Saraf, Swastik Kopparty

arxiv:1605.05412 v4 · 2016-05-18 · cs.IT · math.IT

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CENDMM3FNGDWZTMEOQ7IFNSAGW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T01:04:09.030885Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

111a36336569876ccd84743e82b64035aeeb4394372c8a668ad48d1cd610b152

Aliases

arxiv: 1605.05412 · arxiv_version: 1605.05412v4 · doi: 10.48550/arxiv.1605.05412 · pith_short_12: CENDMM3FNGDW · pith_short_16: CENDMM3FNGDWZTME · pith_short_8: CENDMM3F
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CENDMM3FNGDWZTMEOQ7IFNSAGW \
  | 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: 111a36336569876ccd84743e82b64035aeeb4394372c8a668ad48d1cd610b152
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "532595f88289ed931e2517a801da19759ef5f9cf0ccce9984fa9400f88289bd0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-18T01:17:23Z",
    "title_canon_sha256": "3064b70a36b111b9796574dcf7662701f31f7f94413f1a9f84c05e71f97727a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05412",
    "kind": "arxiv",
    "version": 4
  }
}