Pith Number

pith:JXMMUYXC

pith:2022:JXMMUYXCCUQOG4ZPIRLVJDT6B3

not attested not anchored not stored refs pending

Constructing MSR codes with subpacketization $2^{n/3}$ for $k+1$ helper nodes

Guodong Li, Min Ye, Ningning Wang, Sihuang Hu

arxiv:2208.04159 v2 · 2022-08-08 · 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{JXMMUYXCCUQOG4ZPIRLVJDT6B3}

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	2026-07-05T06:11:56.413427Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4dd8ca62e21520e3732f4457548e7e0eeba5931dbdb566d26caccbc291bb367c

Aliases

arxiv: 2208.04159 · arxiv_version: 2208.04159v2 · doi: 10.48550/arxiv.2208.04159 · pith_short_12: JXMMUYXCCUQO · pith_short_16: JXMMUYXCCUQOG4ZP · pith_short_8: JXMMUYXC

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/JXMMUYXCCUQOG4ZPIRLVJDT6B3 \
  | 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: 4dd8ca62e21520e3732f4457548e7e0eeba5931dbdb566d26caccbc291bb367c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1bfe058e29cfdef9e9ecd7d83ac55f42d63b86ba662b38d3aeba0d2846f402a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-08-08T13:59:11Z",
    "title_canon_sha256": "3d60a975af28775f7b277d098b058c825fe0c46877907b5912b45b9cd0471d28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04159",
    "kind": "arxiv",
    "version": 2
  }
}