Pith Number

pith:JSFRPO35

pith:2020:JSFRPO35HWYPEMSMYSIQ2RAWVP

not attested not anchored not stored refs pending

Automating Document Classification with Distant Supervision to Increase the Efficiency of Systematic Reviews

Amy Zhang, C. Lee Giles, Le Bao, Rabah Al-Zaidy, Stefan Baral, Xiaoxiao Li

arxiv:2012.07565 v1 · 2020-12-09 · cs.CL · cs.IR · 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{JSFRPO35HWYPEMSMYSIQ2RAWVP}

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	2026-07-05T01:59:22.009843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c8b17bb7d3db0f2324cc4910d4416abd414de8739067f27a23a6b605a6ec6b5

Aliases

arxiv: 2012.07565 · arxiv_version: 2012.07565v1 · doi: 10.48550/arxiv.2012.07565 · pith_short_12: JSFRPO35HWYP · pith_short_16: JSFRPO35HWYPEMSM · pith_short_8: JSFRPO35

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/JSFRPO35HWYPEMSMYSIQ2RAWVP \
  | 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: 4c8b17bb7d3db0f2324cc4910d4416abd414de8739067f27a23a6b605a6ec6b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28d24cf3f1f1ad27a9a739c3f63a7fe455c80dd8d7050ea9cc8a68d21fb57a11",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-12-09T22:45:40Z",
    "title_canon_sha256": "e6de7504c865b290eebff19d2d0d4d933a2f28163615c2cc70d425a310e3a1b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07565",
    "kind": "arxiv",
    "version": 1
  }
}