Pith Number

pith:O32UMA3F

pith:2021:O32UMA3FPY2YM4WDVCIXZXL652

not attested not anchored not stored refs pending

Some Examples of Privacy-preserving Publication and Sharing of COVID-19 Pandemic Data

Dong Wang, Fang Liu, Tian Yan

arxiv:2106.10339 v3 · 2021-06-18 · cs.CR · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O32UMA3FPY2YM4WDVCIXZXL652}

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	2026-07-05T04:57:22.670970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76f54603657e358672c3a8917cdd7eeebbf0d8ce599c96be7884bd865f27fe92

Aliases

arxiv: 2106.10339 · arxiv_version: 2106.10339v3 · doi: 10.48550/arxiv.2106.10339 · pith_short_12: O32UMA3FPY2Y · pith_short_16: O32UMA3FPY2YM4WD · pith_short_8: O32UMA3F

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/O32UMA3FPY2YM4WDVCIXZXL652 \
  | 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: 76f54603657e358672c3a8917cdd7eeebbf0d8ce599c96be7884bd865f27fe92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ef959233a28114bf762fdbfc040d78a01e7459241637fbb7bdc77fc88e6a08e",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-06-18T20:07:58Z",
    "title_canon_sha256": "5117a5f415ec79d20d11d858faefc32a77001d8f8adc9ec3cbf3a96787ee8acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.10339",
    "kind": "arxiv",
    "version": 3
  }
}