Pith Number

pith:7RSRWRP5

pith:2017:7RSRWRP5N2DPV7YTIKUNBOMCWY

not attested not anchored not stored refs pending

De-identification of medical records using conditional random fields and long short-term memory networks

Bin He, Chao Zhao, Jingchi Jiang, Yi Guan, Zhipeng Jiang

arxiv:1709.06901 v2 · 2017-09-20 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7RSRWRP5N2DPV7YTIKUNBOMCWY}

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	2026-05-18T00:34:04.450239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc651b45fd6e86faff1342a8d0b982b6170759c7f4f70f06c643a73baeb89445

Aliases

arxiv: 1709.06901 · arxiv_version: 1709.06901v2 · doi: 10.48550/arxiv.1709.06901 · pith_short_12: 7RSRWRP5N2DP · pith_short_16: 7RSRWRP5N2DPV7YT · pith_short_8: 7RSRWRP5

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/7RSRWRP5N2DPV7YTIKUNBOMCWY \
  | 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: fc651b45fd6e86faff1342a8d0b982b6170759c7f4f70f06c643a73baeb89445

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79868c3cca8e4368b1c31bd83ddf2e293ba57e7012c52e00dcd41e1fd761b340",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-09-20T14:30:17Z",
    "title_canon_sha256": "fb1c3c8582667722ad20c144a7e251c659752300cd77979b7c147929e9c34849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.06901",
    "kind": "arxiv",
    "version": 2
  }
}