Pith Number

pith:KFNYJKLL

pith:2024:KFNYJKLLGHLD2KHAMFAHY74MGO

not attested not anchored not stored refs pending

Constructing $(h,d)$ cooperative MSR codes with sub-packetization $(d-k+h)(d-k+1)^{\lceil n/2 \rceil}$

Guodong Li, Sihuang Hu, Zihao Zhang

arxiv:2405.02923 v2 · 2024-05-05 · 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{KFNYJKLLGHLD2KHAMFAHY74MGO}

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	2026-07-05T10:18:08.560483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515b84a96b31d63d28e061407c7f8c3396fd3497d86aa2a50de8ac448ff0a617

Aliases

arxiv: 2405.02923 · arxiv_version: 2405.02923v2 · doi: 10.48550/arxiv.2405.02923 · pith_short_12: KFNYJKLLGHLD · pith_short_16: KFNYJKLLGHLD2KHA · pith_short_8: KFNYJKLL

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/KFNYJKLLGHLD2KHAMFAHY74MGO \
  | 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: 515b84a96b31d63d28e061407c7f8c3396fd3497d86aa2a50de8ac448ff0a617

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d69682f44b15d92f03961b3cd802a8ba40604287ca97e8e42b1a902f5e7fab1",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2024-05-05T13:01:04Z",
    "title_canon_sha256": "4bc29ea435232f8496d16ceffffdc6788c021d82be6f800148ad2649367166dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.02923",
    "kind": "arxiv",
    "version": 2
  }
}