Pith Number

pith:TRDVDHLV

pith:2019:TRDVDHLVYQINGSNIE6SMQQL2DH

not attested not anchored not stored refs pending

On the Upload versus Download Cost for Secure and Private Matrix Multiplication

Ravi Tandon, Wei-Ting Chang

arxiv:1906.10684 v1 · 2019-06-25 · cs.IT · cs.CR · cs.DC · 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{TRDVDHLVYQINGSNIE6SMQQL2DH}

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	2026-05-17T23:42:15.604015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c47519d75c410d349a827a4c8417a19da421610cd5977e6921fea5120803586

Aliases

arxiv: 1906.10684 · arxiv_version: 1906.10684v1 · doi: 10.48550/arxiv.1906.10684 · pith_short_12: TRDVDHLVYQIN · pith_short_16: TRDVDHLVYQINGSNI · pith_short_8: TRDVDHLV

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/TRDVDHLVYQINGSNIE6SMQQL2DH \
  | 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: 9c47519d75c410d349a827a4c8417a19da421610cd5977e6921fea5120803586

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8842940e8fa002082a3c501be5097238e29c24c7669106bc372c28f466886d18",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DC",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-25T17:59:10Z",
    "title_canon_sha256": "8a4a1bb158cfccf14ede7a9e9149afffa53bba5732657fe98b5669e446b8e1ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10684",
    "kind": "arxiv",
    "version": 1
  }
}