Pith Number

pith:CIYOSNFD

pith:2018:CIYOSNFDINMVAKRDJ4I3S2ULN3

not attested not anchored not stored refs pending

Private Information Retrieval Schemes with Regenerating Codes

Camilla Hollanti, Julien Lavauzelle, Ragnar Freij-Hollanti, Razane Tajeddine

arxiv:1811.02898 v2 · 2018-11-07 · 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{CIYOSNFDINMVAKRDJ4I3S2ULN3}

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	2026-05-17T23:58:55.861188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1230e934a34359502a234f11b96a8b6ede5b7e0d1b85fbb04edff585d6f099c2

Aliases

arxiv: 1811.02898 · arxiv_version: 1811.02898v2 · doi: 10.48550/arxiv.1811.02898 · pith_short_12: CIYOSNFDINMV · pith_short_16: CIYOSNFDINMVAKRD · pith_short_8: CIYOSNFD

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/CIYOSNFDINMVAKRDJ4I3S2ULN3 \
  | 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: 1230e934a34359502a234f11b96a8b6ede5b7e0d1b85fbb04edff585d6f099c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d5447c939414fe75b2ba0ed56e81ee3467af967c548be58a1816c98c6ff2f97",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-11-07T14:15:39Z",
    "title_canon_sha256": "259414fb2e871ba5b65bb38b3567b931533f95f6d3559689db7fa2efdb316897"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02898",
    "kind": "arxiv",
    "version": 2
  }
}