Pith Number

pith:GBCUQH3D

pith:2018:GBCUQH3DZUBWOFITYQBV6MAUYS

not attested not anchored not stored refs pending

$\epsilon$-MSR Codes: Contacting Fewer Code Blocks for Exact Repair

Sai Vikneshwar Mani Jayaraman, Satyanarayana V. Lokam, Venkatesan Guruswami

arxiv:1807.01166 v1 · 2018-07-03 · 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{GBCUQH3DZUBWOFITYQBV6MAUYS}

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	2026-05-18T00:11:45.060087Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3045481f63cd03671513c4035f3014c49bded472711c4034b3a584da42e78b28

Aliases

arxiv: 1807.01166 · arxiv_version: 1807.01166v1 · doi: 10.48550/arxiv.1807.01166 · pith_short_12: GBCUQH3DZUBW · pith_short_16: GBCUQH3DZUBWOFIT · pith_short_8: GBCUQH3D

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/GBCUQH3DZUBWOFITYQBV6MAUYS \
  | 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: 3045481f63cd03671513c4035f3014c49bded472711c4034b3a584da42e78b28

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee7b2b758af00fb3930832765db3991a53d4c2a8a135109cd8a7ed84ecb88e5a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-07-03T13:27:55Z",
    "title_canon_sha256": "763534abe52d35b9c6754dba939bf1b43a02d93abd2db26225922f2d155c74e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01166",
    "kind": "arxiv",
    "version": 1
  }
}