Pith Number

pith:ICOYFTG4

pith:2017:ICOYFTG4U56WN6HK6S5U3C5245

not attested not anchored not stored refs pending

Optimal binary linear locally repairable codes with disjoint repair groups

Gennian Ge, Jingxue Ma

arxiv:1711.07138 v1 · 2017-11-20 · 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{ICOYFTG4U56WN6HK6S5U3C5245}

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	2026-05-18T00:30:12.142145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

409d82ccdca77d66f8eaf4bb4d8bbae75ce50eddc28a694fb64f18e1e1398ba4

Aliases

arxiv: 1711.07138 · arxiv_version: 1711.07138v1 · doi: 10.48550/arxiv.1711.07138 · pith_short_12: ICOYFTG4U56W · pith_short_16: ICOYFTG4U56WN6HK · pith_short_8: ICOYFTG4

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/ICOYFTG4U56WN6HK6S5U3C5245 \
  | 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: 409d82ccdca77d66f8eaf4bb4d8bbae75ce50eddc28a694fb64f18e1e1398ba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4b545ab4eeec8ab4e4586905f40a3659beb4f133d00270c0b4830cfff3f583c",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-11-20T04:32:52Z",
    "title_canon_sha256": "259d71952b2ead3838205da61dbf25703d10b9e3463fed6e5d325b611d0842f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07138",
    "kind": "arxiv",
    "version": 1
  }
}