Pith Number

pith:WAQQBP6Y

pith:2016:WAQQBP6YRY223VVVXVYK23SAJS

not attested not anchored not stored refs pending

A New Piggybacking Design for Systematic MDS Storage Codes

Chong Shangguan, Gennian Ge

arxiv:1610.08223 v1 · 2016-10-26 · 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{WAQQBP6YRY223VVVXVYK23SAJS}

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	2026-05-18T01:01:14.669144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b02100bfd88e35add6b5bd70ad6e404cb9ad2bed9ebbebe3b39041b019682b68

Aliases

arxiv: 1610.08223 · arxiv_version: 1610.08223v1 · doi: 10.48550/arxiv.1610.08223 · pith_short_12: WAQQBP6YRY22 · pith_short_16: WAQQBP6YRY223VVV · pith_short_8: WAQQBP6Y

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/WAQQBP6YRY223VVVXVYK23SAJS \
  | 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: b02100bfd88e35add6b5bd70ad6e404cb9ad2bed9ebbebe3b39041b019682b68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b5a33943ce50c76b5bd98c68f8cfcfe33fc5d38f6c0fef23b3694c960f263ac",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-10-26T08:03:07Z",
    "title_canon_sha256": "11906c41d098a5cb7350a022f348a20e7dc4107bbc7eabbd7fdbc1827559ec7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.08223",
    "kind": "arxiv",
    "version": 1
  }
}