Pith Number

pith:TFB6CRZD

pith:2018:TFB6CRZDOCNDAYKLBTUN4LEFB6

not attested not anchored not stored refs pending

NRC-Canada at SMM4H Shared Task: Classifying Tweets Mentioning Adverse Drug Reactions and Medication Intake

Berry de Bruijn, Jason Morin, Saif M. Mohammad, Svetlana Kiritchenko

arxiv:1805.04558 v1 · 2018-05-11 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TFB6CRZDOCNDAYKLBTUN4LEFB6}

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	2026-05-18T00:16:07.108058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9943e14723709a30614b0ce8de2c850fb8745d4b9643845eb95405ee2a7cf9f0

Aliases

arxiv: 1805.04558 · arxiv_version: 1805.04558v1 · doi: 10.48550/arxiv.1805.04558 · pith_short_12: TFB6CRZDOCND · pith_short_16: TFB6CRZDOCNDAYKL · pith_short_8: TFB6CRZD

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/TFB6CRZDOCNDAYKLBTUN4LEFB6 \
  | 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: 9943e14723709a30614b0ce8de2c850fb8745d4b9643845eb95405ee2a7cf9f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d235ace7115cd54d66b7b75e7a551d7509d186f3311b03b9246f974b4096d6d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-05-11T19:01:49Z",
    "title_canon_sha256": "edf5d330d63b3f733c1e8462225844ac833a77d96e4da14cf184751fcb9902ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04558",
    "kind": "arxiv",
    "version": 1
  }
}