Pith Number

pith:LJIPPH2P

pith:2017:LJIPPH2P3VNBZIELHFVT3EKNBP

not attested not anchored not stored refs pending

PDD Graph: Bridging Electronic Medical Records and Biomedical Knowledge Graphs via Entity Linking

Jiaheng Zhang, Jun Liu, Meng Wang, Sen Wang, Wei Hu, Wenqiang Liu, Xue Li

arxiv:1707.05340 v2 · 2017-07-17 · cs.DB · cs.AI · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LJIPPH2P3VNBZIELHFVT3EKNBP}

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	2026-05-18T00:39:45.655921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a50f79f4fdd5a1ca08b396b3d914d0bd659b9323e56e59fef522b0b3526f0fa

Aliases

arxiv: 1707.05340 · arxiv_version: 1707.05340v2 · doi: 10.48550/arxiv.1707.05340 · pith_short_12: LJIPPH2P3VNB · pith_short_16: LJIPPH2P3VNBZIEL · pith_short_8: LJIPPH2P

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/LJIPPH2P3VNBZIELHFVT3EKNBP \
  | 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: 5a50f79f4fdd5a1ca08b396b3d914d0bd659b9323e56e59fef522b0b3526f0fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c28a9cb5135c5d93774f9128cf9010f0f883bca9b91eb41830c2e1e7d20514d3",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-07-17T18:04:27Z",
    "title_canon_sha256": "d3edb1b6099df436f21b82b662170b68cbb093b6f58d76a0103114500d18511c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05340",
    "kind": "arxiv",
    "version": 2
  }
}