Pith Number

pith:HRBHVYV3

pith:2019:HRBHVYV3LGBYM3XC4HRCOWSPL6

not attested not anchored not stored refs pending

Near-optimal Repair of Reed-Solomon Codes with Low Sub-packetization

Haotian Jiang, Venkatesan Guruswami

arxiv:1907.03931 v1 · 2019-07-09 · cs.DS · 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{HRBHVYV3LGBYM3XC4HRCOWSPL6}

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	2026-05-17T23:41:06.332828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c427ae2bb5983866ee2e1e2275a4f5f83feb94bbf91dacbed612ecbd7c055ba

Aliases

arxiv: 1907.03931 · arxiv_version: 1907.03931v1 · doi: 10.48550/arxiv.1907.03931 · pith_short_12: HRBHVYV3LGBY · pith_short_16: HRBHVYV3LGBYM3XC · pith_short_8: HRBHVYV3

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/HRBHVYV3LGBYM3XC4HRCOWSPL6 \
  | 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: 3c427ae2bb5983866ee2e1e2275a4f5f83feb94bbf91dacbed612ecbd7c055ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "efaf3289b75a6b6aeacd7a60e1421ff62f8dfab4940a87639d587f022084ac92",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-09T01:21:27Z",
    "title_canon_sha256": "434ea485e84937f43a9d97a9837f712fdab2a35dc648784ebac618b100a71d9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03931",
    "kind": "arxiv",
    "version": 1
  }
}