Pith Number

pith:2FCIC5RH

pith:2016:2FCIC5RHPA4HUUO2Y72J4PSE5A

not attested not anchored not stored refs pending

Optimal Locally Repairable Codes with Improved Update Complexity

Majid Khabbazian, Masoud Ardakani, Mehrtash Mehrabi, Mostafa Shahabinejad

arxiv:1606.09463 v3 · 2016-06-30 · 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{2FCIC5RHPA4HUUO2Y72J4PSE5A}

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	2026-05-18T01:11:01.662887Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d14481762778387a51dac7f49e3e44e812ead5579c98e42a7d41941df7f62da4

Aliases

arxiv: 1606.09463 · arxiv_version: 1606.09463v3 · doi: 10.48550/arxiv.1606.09463 · pith_short_12: 2FCIC5RHPA4H · pith_short_16: 2FCIC5RHPA4HUUO2 · pith_short_8: 2FCIC5RH

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/2FCIC5RHPA4HUUO2Y72J4PSE5A \
  | 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: d14481762778387a51dac7f49e3e44e812ead5579c98e42a7d41941df7f62da4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c121e5c7502ebc0ca5f107f5e0dad10a68a0cbe5064b88f80e0522844dee89cc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-06-30T12:41:06Z",
    "title_canon_sha256": "ed2eeffb2f68668975cb439ec078ca0fd88e75442bdb235bbf3ba0f0d43febbd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09463",
    "kind": "arxiv",
    "version": 3
  }
}