Pith Number

pith:KUQZZPZJ

pith:2018:KUQZZPZJGIRIDXAEJJI33OT7IX

not attested not anchored not stored refs pending

TrialChain: A Blockchain-Based Platform to Validate Data Integrity in Large, Biomedical Research Studies

Guannan Gong, Hao Dai, Harlan M Krumholz, H Patrick Young, Lixin Jiang, Mingming Kang, Thomas JS Durant, Wade L Schulz

arxiv:1807.03662 v1 · 2018-07-10 · cs.DC · 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{KUQZZPZJGIRIDXAEJJI33OT7IX}

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	2026-05-18T00:11:03.613250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55219cbf29322281dc044a51bdba7f45cacfdff2ff90feb7fde2d0822db6a5ed

Aliases

arxiv: 1807.03662 · arxiv_version: 1807.03662v1 · doi: 10.48550/arxiv.1807.03662 · pith_short_12: KUQZZPZJGIRI · pith_short_16: KUQZZPZJGIRIDXAE · pith_short_8: KUQZZPZJ

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/KUQZZPZJGIRIDXAEJJI33OT7IX \
  | 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: 55219cbf29322281dc044a51bdba7f45cacfdff2ff90feb7fde2d0822db6a5ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ccb8e6feaddcf5e6c0f944bc9a768d6623648af96c77170511e50454dce3d016",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2018-07-10T14:10:54Z",
    "title_canon_sha256": "c40d0697ff323627ac961b6536489dce1342ef80e9c7434c0a3a474a429d9e9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.03662",
    "kind": "arxiv",
    "version": 1
  }
}