Pith Number

pith:CWHICYDT

pith:2016:CWHICYDTPOCH6YV2KIFVTGNXHJ

not attested not anchored not stored refs pending

A Generic Transformation to Enable Optimal Repair in MDS Codes for Distributed Storage Systems

Chao Tian, Jie Li, Xiaohu Tang

arxiv:1604.07671 v3 · 2016-04-26 · 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{CWHICYDTPOCH6YV2KIFVTGNXHJ}

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	2026-05-18T00:07:28.605437Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

158e8160737b847f62ba520b5999b73a421f7bb278ec79c84733be655bde1b42

Aliases

arxiv: 1604.07671 · arxiv_version: 1604.07671v3 · doi: 10.48550/arxiv.1604.07671 · pith_short_12: CWHICYDTPOCH · pith_short_16: CWHICYDTPOCH6YV2 · pith_short_8: CWHICYDT

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/CWHICYDTPOCH6YV2KIFVTGNXHJ \
  | 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: 158e8160737b847f62ba520b5999b73a421f7bb278ec79c84733be655bde1b42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1dcfce3c64369165b9be2cbe6338ed7892c79f3440ee349f2b09e9efc40aba52",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-04-26T13:29:48Z",
    "title_canon_sha256": "d85bdcd1162a6aef0da0b261c9e6864706108d6e6c5ca1aa64dedade74934643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07671",
    "kind": "arxiv",
    "version": 3
  }
}