Pith Number

pith:HSH46TMD

pith:2018:HSH46TMDJDVHTFF4WY7SDGO3M7

not attested not anchored not stored refs pending

BPDS: A Blockchain based Privacy-Preserving Data Sharing for Electronic Medical Records

Hongli Zhang, Jingwei Liu, Lin Ye, Mohsen Guizani, Xiaojiang Du, Xiaolu Li

arxiv:1811.03223 v1 · 2018-11-08 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSH46TMDJDVHTFF4WY7SDGO3M7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:01:17.232408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c8fcf4d8348ea7994bcb63f2199db67f6070aa45c24364f5b7b217da981f33d

Aliases

arxiv: 1811.03223 · arxiv_version: 1811.03223v1 · doi: 10.48550/arxiv.1811.03223 · pith_short_12: HSH46TMDJDVH · pith_short_16: HSH46TMDJDVHTFF4 · pith_short_8: HSH46TMD

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/HSH46TMDJDVHTFF4WY7SDGO3M7 \
  | 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: 3c8fcf4d8348ea7994bcb63f2199db67f6070aa45c24364f5b7b217da981f33d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22a0d95e2a76c6058f890413240b8fba02ffbc887e06686bbc01503410788f04",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-11-08T02:19:06Z",
    "title_canon_sha256": "0fdd2c976c58336959312c53e52bb095ebc76190b404e79691a88abca9043192"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.03223",
    "kind": "arxiv",
    "version": 1
  }
}