Pith Number

pith:RQM55XMQ

pith:2016:RQM55XMQIKKUCW2M6FI23SBFT3

not attested not anchored not stored refs pending

Lower Bound on the Redundancy of PIR Codes

Alexander Vardy, Sankeerth Rao

arxiv:1605.01869 v2 · 2016-05-06 · 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{RQM55XMQIKKUCW2M6FI23SBFT3}

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.

Cited by

1 paper in Pith

Serving Every Symbol: All-Symbol PIR and Batch Codes

Receipt and verification

First computed	2026-05-18T00:49:52.293027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c19dedd904295415b4cf151adc8259eebeb4b871ce58972dd0872dece99bfef

Aliases

arxiv: 1605.01869 · arxiv_version: 1605.01869v2 · doi: 10.48550/arxiv.1605.01869 · pith_short_12: RQM55XMQIKKU · pith_short_16: RQM55XMQIKKUCW2M · pith_short_8: RQM55XMQ

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/RQM55XMQIKKUCW2M6FI23SBFT3 \
  | 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: 8c19dedd904295415b4cf151adc8259eebeb4b871ce58972dd0872dece99bfef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b61d97bd198a7525ec57dbd6d56373c49676c4f6460ce8bc76ad400168e0a19",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-05-06T09:23:53Z",
    "title_canon_sha256": "4c3bae185f3d5344fb63042721cf275a9e67640616b571116a36eecbeea2f016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01869",
    "kind": "arxiv",
    "version": 2
  }
}