Pith Number

pith:7GJI5OXF

pith:2017:7GJI5OXF5CHLG36GJSU6DLXG7G

not attested not anchored not stored refs pending

On the Weight Hierarchy of Locally Repairable Codes

Bin Chen, Fang-Wei Fu, Jie Hao, Shu-Tao Xia

arxiv:1702.05848 v1 · 2017-02-20 · 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{7GJI5OXF5CHLG36GJSU6DLXG7G}

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	2026-05-18T00:50:25.141785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f9928ebae5e88eb36fc64ca9e1aee6f9a1d3208f60f60c2a0e67caf354033fc5

Aliases

arxiv: 1702.05848 · arxiv_version: 1702.05848v1 · doi: 10.48550/arxiv.1702.05848 · pith_short_12: 7GJI5OXF5CHL · pith_short_16: 7GJI5OXF5CHLG36G · pith_short_8: 7GJI5OXF

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/7GJI5OXF5CHLG36GJSU6DLXG7G \
  | 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: f9928ebae5e88eb36fc64ca9e1aee6f9a1d3208f60f60c2a0e67caf354033fc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd651c0dc4f04fd604995efdbb7c721663a1bd46a90bc80b799b64815d1b2a8b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-02-20T03:33:05Z",
    "title_canon_sha256": "1b0a9235627d94c78c20256e4e01d0589f14665d12c141a2dc61b0139c09fc7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05848",
    "kind": "arxiv",
    "version": 1
  }
}