Pith Number

pith:KUDQGAPA

pith:2018:KUDQGAPADAIQL55FINLVRPJ26N

not attested not anchored not stored refs pending

Private Information Retrieval using Product-Matrix Minimum Storage Regenerating Codes

Chatdanai Dorkson, Siaw-Lynn Ng

arxiv:1805.07190 v1 · 2018-05-18 · 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{KUDQGAPADAIQL55FINLVRPJ26N}

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	2026-05-18T00:15:38.994329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55070301e0181105f7a5435758bd3af35df298e738b8b972a21be9697b620671

Aliases

arxiv: 1805.07190 · arxiv_version: 1805.07190v1 · doi: 10.48550/arxiv.1805.07190 · pith_short_12: KUDQGAPADAIQ · pith_short_16: KUDQGAPADAIQL55F · pith_short_8: KUDQGAPA

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/KUDQGAPADAIQL55FINLVRPJ26N \
  | 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: 55070301e0181105f7a5435758bd3af35df298e738b8b972a21be9697b620671

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84992fd48a242b7d813bbe58319bfe35b72ef593434161e18eb160c8556b9400",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-05-18T13:14:48Z",
    "title_canon_sha256": "bd0e93506f8ef3009fa99d0e19ee673d92cf34cd31dcec90201e9b20d554a217"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07190",
    "kind": "arxiv",
    "version": 1
  }
}