Pith Number

pith:BR5G4AHA

pith:2019:BR5G4AHA7IXCGN43OPG26IHGYR

not attested not anchored not stored refs pending

Is artificial data useful for biomedical Natural Language Processing algorithms?

Julia Ive, Lucia Specia, Sumithra Velupillai, Zixu Wang

arxiv:1907.01055 v2 · 2019-07-01 · 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{BR5G4AHA7IXCGN43OPG26IHGYR}

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	2026-07-04T23:52:21.890879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c7a6e00e0fa2e23379b73cdaf20e6c4697a6dfe8ba7eacecd1e8fe25b2dec4a

Aliases

arxiv: 1907.01055 · arxiv_version: 1907.01055v2 · doi: 10.48550/arxiv.1907.01055 · pith_short_12: BR5G4AHA7IXC · pith_short_16: BR5G4AHA7IXCGN43 · pith_short_8: BR5G4AHA

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/BR5G4AHA7IXCGN43OPG26IHGYR \
  | 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: 0c7a6e00e0fa2e23379b73cdaf20e6c4697a6dfe8ba7eacecd1e8fe25b2dec4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d1bbad69eff370a14fe6049aed97cda77f82a80fce3af98000a0675c9b9d130",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-07-01T20:17:59Z",
    "title_canon_sha256": "fe32148b310712115c20bc02fa7ea4e71af6e491c4faee978bc14bade8cede2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01055",
    "kind": "arxiv",
    "version": 2
  }
}