Pith Number

pith:ECYUO2XD

pith:2019:ECYUO2XDI5QQ3NYWZS52O3GIXZ

not attested not anchored not stored refs pending

Zero-Knowledge Proof-of-Identity: Sybil-Resistant, Anonymous Authentication on Permissionless Blockchains and Incentive Compatible, Strictly Dominant Cryptocurrencies

David Cerezo S\'anchez

arxiv:1905.09093 v3 · 2019-05-22 · cs.CR · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECYUO2XDI5QQ3NYWZS52O3GIXZ}

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

Privacy-Preserving Compliance on Public Ledgers via Selective Disclosure Authorization Schemes

Receipt and verification

First computed	2026-07-05T09:07:22.397029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b1476ae347610db716ccbba76cc8be50eef101d96ba4d56a85b915dd72c5df

Aliases

arxiv: 1905.09093 · arxiv_version: 1905.09093v3 · doi: 10.48550/arxiv.1905.09093 · pith_short_12: ECYUO2XDI5QQ · pith_short_16: ECYUO2XDI5QQ3NYW · pith_short_8: ECYUO2XD

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/ECYUO2XDI5QQ3NYWZS52O3GIXZ \
  | 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: 20b1476ae347610db716ccbba76cc8be50eef101d96ba4d56a85b915dd72c5df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d08d11475f387327d4fe950e702491e138b16b653976c2b13b34422922e50702",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-05-22T12:06:03Z",
    "title_canon_sha256": "bec91048668785e2611d626854929d6fde0eba035f8e0c34af7fc37f5dfb50b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09093",
    "kind": "arxiv",
    "version": 3
  }
}