Pith Number

pith:P7LAIIY4

pith:2017:P7LAIIY42WAVYBCWSDN2Z43GTG

not attested not anchored not stored refs pending

Construction of optimal locally repairable codes via automorphism groups of rational function fields

Chaoping Xing, Liming Ma, Lingfei Jin

arxiv:1710.09638 v1 · 2017-10-26 · cs.IT · math.IT · math.NT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7LAIIY42WAVYBCWSDN2Z43GTG}

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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.

Cited by

1 paper in Pith

Computing sharp recovery structures for Locally Recoverable codes

Receipt and verification

First computed	2026-05-18T00:31:56.760722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fd604231cd5815c045690dbacf36699a08eff03311876737e670df46cc46300

Aliases

arxiv: 1710.09638 · arxiv_version: 1710.09638v1 · doi: 10.48550/arxiv.1710.09638 · pith_short_12: P7LAIIY42WAV · pith_short_16: P7LAIIY42WAVYBCW · pith_short_8: P7LAIIY4

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/P7LAIIY42WAVYBCWSDN2Z43GTG \
  | 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: 7fd604231cd5815c045690dbacf36699a08eff03311876737e670df46cc46300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bb8c4957c713b14d88b281f38cbb7af67ee6134e412ee32eda7b5c60810a362",
    "cross_cats_sorted": [
      "math.IT",
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-10-26T10:51:47Z",
    "title_canon_sha256": "2a23de0e7d11baf78ec88ab897cd509fccb84c19baf69d7be8b5f8fde5022792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09638",
    "kind": "arxiv",
    "version": 1
  }
}