Pith Number

pith:WSHCWDUQ

pith:2015:WSHCWDUQTEMF3WMWGS4PP4MNEY

not attested not anchored not stored refs pending

PIR with Low Storage Overhead: Coding instead of Replication

Alexander Vardy, Arman Fazeli, Eitan Yaakobi

arxiv:1505.06241 v1 · 2015-05-22 · 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{WSHCWDUQTEMF3WMWGS4PP4MNEY}

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	2026-05-18T02:03:47.861226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b48e2b0e9099185dd99634b8f7f18d26396e430653995a405ae5c7d69d2fa9dd

Aliases

arxiv: 1505.06241 · arxiv_version: 1505.06241v1 · doi: 10.48550/arxiv.1505.06241 · pith_short_12: WSHCWDUQTEMF · pith_short_16: WSHCWDUQTEMF3WMW · pith_short_8: WSHCWDUQ

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/WSHCWDUQTEMF3WMWGS4PP4MNEY \
  | 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: b48e2b0e9099185dd99634b8f7f18d26396e430653995a405ae5c7d69d2fa9dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6769e10e016aecb0a82e1e56359a48e18214dfcc5a8bc2bfaf03730bd2500029",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-05-22T22:55:18Z",
    "title_canon_sha256": "fc166a328b8479b57553b58d745341378e22aaeaadab5eb724e0c89ca7e50009"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.06241",
    "kind": "arxiv",
    "version": 1
  }
}