Pith Number

pith:OZDKSZSX

pith:2021:OZDKSZSXLMXTKM3YFVQTSOM4S2

not attested not anchored not stored refs pending

PharmKE: Knowledge Extraction Platform for Pharmaceutical Texts using Transfer Learning

Dimitar Trajanov, Kostadin Mishev, Milos Jovanovik, Nasi Jofche, Riste Stojanov

arxiv:2102.13139 v1 · 2021-02-25 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OZDKSZSXLMXTKM3YFVQTSOM4S2}

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	2026-07-05T05:31:34.174384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7646a966575b2f3533782d6139399c96be853ff5a1595bfeb0f8d2c1a9b82b30

Aliases

arxiv: 2102.13139 · arxiv_version: 2102.13139v1 · doi: 10.48550/arxiv.2102.13139 · pith_short_12: OZDKSZSXLMXT · pith_short_16: OZDKSZSXLMXTKM3Y · pith_short_8: OZDKSZSX

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/OZDKSZSXLMXTKM3YFVQTSOM4S2 \
  | 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: 7646a966575b2f3533782d6139399c96be853ff5a1595bfeb0f8d2c1a9b82b30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d46f251dec1a25744de940e900d8b26c9e58fa2360878101f4ec93a2b9626482",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-02-25T19:36:35Z",
    "title_canon_sha256": "54f87bd1236bf32d9510507897600400b9f2436215eef727f6a8395d3e424390"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13139",
    "kind": "arxiv",
    "version": 1
  }
}