Pith Number

pith:FMNGFBLV

pith:2021:FMNGFBLVVHRLO3FC3IY4KGXHG4

not attested not anchored not stored refs pending

BRR: Preserving Privacy of Text Data Efficiently on Device

Oluwaseyi Feyisetan, Ricardo Silva Carvalho, Theodore Vasiloudis

arxiv:2107.07923 v1 · 2021-07-16 · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FMNGFBLVVHRLO3FC3IY4KGXHG4}

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	2026-07-05T02:58:30.482931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b1a628575a9e2b76ca2da31c51ae7373464e3f36511637b5dfee2eb64ea2f42

Aliases

arxiv: 2107.07923 · arxiv_version: 2107.07923v1 · doi: 10.48550/arxiv.2107.07923 · pith_short_12: FMNGFBLVVHRL · pith_short_16: FMNGFBLVVHRLO3FC · pith_short_8: FMNGFBLV

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/FMNGFBLVVHRLO3FC3IY4KGXHG4 \
  | 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: 2b1a628575a9e2b76ca2da31c51ae7373464e3f36511637b5dfee2eb64ea2f42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a3b21709077c911e5430e52aa4b634973f2396bd56424c898b4bf9735e10f20",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-07-16T14:24:34Z",
    "title_canon_sha256": "be1dadeedb27abd3ce12c4392f5989c9d00d679080bafafaf93a26b91f3b6f83"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07923",
    "kind": "arxiv",
    "version": 1
  }
}