Pith Number

pith:HGSG2EVM

pith:2019:HGSG2EVMYBACRKLH67M2GQHX6Q

not attested not anchored not stored refs pending

Data Selection with Cluster-Based Language Difference Models and Cynical Selection

Amittai Axelrod, Luc\'ia Santamar\'ia

arxiv:1904.04900 v1 · 2019-04-09 · 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{HGSG2EVMYBACRKLH67M2GQHX6Q}

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	2026-05-17T23:48:57.720253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39a46d12acc04028a967f7d9a340f7f409436aee3005c14f1a8f43ce258887ed

Aliases

arxiv: 1904.04900 · arxiv_version: 1904.04900v1 · doi: 10.48550/arxiv.1904.04900 · pith_short_12: HGSG2EVMYBAC · pith_short_16: HGSG2EVMYBACRKLH · pith_short_8: HGSG2EVM

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/HGSG2EVMYBACRKLH67M2GQHX6Q \
  | 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: 39a46d12acc04028a967f7d9a340f7f409436aee3005c14f1a8f43ce258887ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4ad6fb03955fa40bd8a62d05a0bcf4b4c487c3b44bc866caf55eff7c8fe4e20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-09T20:39:07Z",
    "title_canon_sha256": "28763960536b104648733b2d8b722c380c98b38919e173ead299c9e4ed1cbaa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04900",
    "kind": "arxiv",
    "version": 1
  }
}