Pith Number

pith:APXPXGJN

pith:2020:APXPXGJNTZJEOOMJZQU4NNBHBA

not attested not anchored not stored refs pending

Towards a Two-Tier Hierarchical Infrastructure: An Offline Payment System for Central Bank Digital Currencies

Benjamin Price, Cuy Sheffield, Mahdi Zamani, Mihai Christodorescu, Minghua Xu, Mohsen Minaei, Muhammad Saad, Mustafa Ozdayi, Ranjit Kumaresan, Srinivasan Raghuraman, Wanyun Catherine Gu

arxiv:2012.08003 v1 · 2020-12-14 · cs.CR · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APXPXGJNTZJEOOMJZQU4NNBHBA}

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	2026-07-05T01:59:38.889738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03eefb992d9e52473989cc29c6b427082bd0ec4f5000b8047c717c7a68892214

Aliases

arxiv: 2012.08003 · arxiv_version: 2012.08003v1 · doi: 10.48550/arxiv.2012.08003 · pith_short_12: APXPXGJNTZJE · pith_short_16: APXPXGJNTZJEOOMJ · pith_short_8: APXPXGJN

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/APXPXGJNTZJEOOMJZQU4NNBHBA \
  | 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: 03eefb992d9e52473989cc29c6b427082bd0ec4f5000b8047c717c7a68892214

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f78535d47ec1ea5657952dd3dd568a4b493ce71d214e2f76749211b571262ece",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2020-12-14T23:22:56Z",
    "title_canon_sha256": "195791a50a993ead789306980fdf03884e24efa33e45e8c42663b745767e8d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.08003",
    "kind": "arxiv",
    "version": 1
  }
}