Pith Number

pith:XZ3AGKDE

pith:2021:XZ3AGKDEZJYXKGGGC4QBPZTSV7

not attested not anchored not stored refs pending

Sunspot: A Decentralized Framework Enabling Privacy for Authorizable Data Sharing on Transparent Public Blockchains

Hiroyuki Sato, Yepeng Ding

arxiv:2111.03865 v3 · 2021-11-06 · cs.CR · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZ3AGKDEZJYXKGGGC4QBPZTSV7}

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	2026-07-05T04:22:39.222352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be76032864ca717518c6172017e672afc66a58c6712025131fa6c06773c12d7b

Aliases

arxiv: 2111.03865 · arxiv_version: 2111.03865v3 · doi: 10.48550/arxiv.2111.03865 · pith_short_12: XZ3AGKDEZJYX · pith_short_16: XZ3AGKDEZJYXKGGG · pith_short_8: XZ3AGKDE

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/XZ3AGKDEZJYXKGGGC4QBPZTSV7 \
  | 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: be76032864ca717518c6172017e672afc66a58c6712025131fa6c06773c12d7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c275a98e387f94ab06e5666dc8ce635b538ed65e8db0f4d1b6fc82b1bd7b3a4f",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-11-06T12:13:25Z",
    "title_canon_sha256": "13a199ead71400a17bbd83952f6f02ef5d148eec9bf0f38d828cf894a518a6c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.03865",
    "kind": "arxiv",
    "version": 3
  }
}