Pith Number

pith:XF4NKXYO

pith:2022:XF4NKXYOOYEDZML4B4V22F47K3

not attested not anchored not stored refs pending

Zef: Low-latency, Scalable, Private Payments

Alberto Sonnino, George Danezis, Mahimna Kelkar, Mathieu Baudet

arxiv:2201.05671 v4 · 2022-01-14 · 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{XF4NKXYOOYEDZML4B4V22F47K3}

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	2026-07-05T04:03:15.330749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b978d55f0e76083cb17c0f2bad179f56cb3bf5314caad2d35959121f86ea43bb

Aliases

arxiv: 2201.05671 · arxiv_version: 2201.05671v4 · doi: 10.48550/arxiv.2201.05671 · pith_short_12: XF4NKXYOOYED · pith_short_16: XF4NKXYOOYEDZML4 · pith_short_8: XF4NKXYO

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/XF4NKXYOOYEDZML4B4V22F47K3 \
  | 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: b978d55f0e76083cb17c0f2bad179f56cb3bf5314caad2d35959121f86ea43bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd700ffda666b4606b44e37185161439f3f79f646bb0cd251cc3ed39481db169",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2022-01-14T21:09:11Z",
    "title_canon_sha256": "872658b98f061742f48b7c6e86852e596249caba9202f9ce397e6851706f2504"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.05671",
    "kind": "arxiv",
    "version": 4
  }
}