Pith Number

pith:GMX4RAMF

pith:2019:GMX4RAMFJHRGM43RIAEPQ7QMHY

not attested not anchored not stored refs pending

Using Similarity Measures to Select Pretraining Data for NER

Ben Hachey, Cecile Paris, Sarvnaz Karimi, Xiang Dai

arxiv:1904.00585 v2 · 2019-04-01 · 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{GMX4RAMFJHRGM43RIAEPQ7QMHY}

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	2026-05-17T23:45:57.752223Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

332fc8818549e26673714008f87e0c3e30c31527fecbc7f1e286b872889add9a

Aliases

arxiv: 1904.00585 · arxiv_version: 1904.00585v2 · doi: 10.48550/arxiv.1904.00585 · pith_short_12: GMX4RAMFJHRG · pith_short_16: GMX4RAMFJHRGM43R · pith_short_8: GMX4RAMF

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/GMX4RAMFJHRGM43RIAEPQ7QMHY \
  | 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: 332fc8818549e26673714008f87e0c3e30c31527fecbc7f1e286b872889add9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "717107bf77f3e000008a2cdc085dc6bc1a174423d32936378c2d4cfae6c2e7e9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-04-01T06:45:45Z",
    "title_canon_sha256": "58ae46888147aa9e4a2ea559a78c2f55d8033b71bc4f87e9b8813da2196f5e0f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.00585",
    "kind": "arxiv",
    "version": 2
  }
}