Pith Number

pith:QI45XC3P

pith:2019:QI45XC3PTMHA5AGKF4VAHH6FVC

not attested not anchored not stored refs pending

Text mining policy: Classifying forest and landscape restoration policy agenda with neural information retrieval

John Brandt

arxiv:1908.02425 v1 · 2019-08-07 · cs.IR · 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{QI45XC3PTMHA5AGKF4VAHH6FVC}

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	2026-07-04T23:52:08.789795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8239db8b6f9b0e0e80ca2f2a039fc5a895448d7d64cce151ce73c1929bd209cd

Aliases

arxiv: 1908.02425 · arxiv_version: 1908.02425v1 · doi: 10.48550/arxiv.1908.02425 · pith_short_12: QI45XC3PTMHA · pith_short_16: QI45XC3PTMHA5AGK · pith_short_8: QI45XC3P

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/QI45XC3PTMHA5AGKF4VAHH6FVC \
  | 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: 8239db8b6f9b0e0e80ca2f2a039fc5a895448d7d64cce151ce73c1929bd209cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9276c6e8bd742609abef7c5439438e614014ca0165aff5f3a1229fc90b84897",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-08-07T02:58:24Z",
    "title_canon_sha256": "07a94e6a9f90793024a971adec730880bcb4b4088bfc6a8dd905245c3f085b74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02425",
    "kind": "arxiv",
    "version": 1
  }
}