Pith Number

pith:SBGR5PSC

pith:2019:SBGR5PSC4E3NNYN27PRDZK43AT

not attested not anchored not stored refs pending

Breaking the MDS-PIR Capacity Barrier via Joint Storage Coding

Chao Tian, Hua Sun

arxiv:1908.07091 v1 · 2019-08-19 · 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{SBGR5PSC4E3NNYN27PRDZK43AT}

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	2026-07-04T23:58:30.696621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

904d1ebe42e136d6e1bafbe23cab9b04c0f66a6f61c50376d8d4f1d95964a522

Aliases

arxiv: 1908.07091 · arxiv_version: 1908.07091v1 · doi: 10.48550/arxiv.1908.07091 · pith_short_12: SBGR5PSC4E3N · pith_short_16: SBGR5PSC4E3NNYN2 · pith_short_8: SBGR5PSC

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/SBGR5PSC4E3NNYN27PRDZK43AT \
  | 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: 904d1ebe42e136d6e1bafbe23cab9b04c0f66a6f61c50376d8d4f1d95964a522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c85d4d616863598e401478138cd65e16f2f1b3d6d7392f0a3b1bbc8598219506",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-08-19T22:42:40Z",
    "title_canon_sha256": "0c42c872d3919761dfb476414463a5a24e70bca625c97d81faa5e822c960bed3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07091",
    "kind": "arxiv",
    "version": 1
  }
}