Pith Number

pith:6JW6CRZZ

pith:2019:6JW6CRZZCIHGTBPIYGWBWDYG4B

not attested not anchored not stored refs pending

Many Faces of Feature Importance: Comparing Built-in and Post-hoc Feature Importance in Text Classification

Chenhao Tan, Jon Z. Cai, Vivian Lai

arxiv:1910.08534 v1 · 2019-10-18 · cs.CL · cs.CY · cs.HC · 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{6JW6CRZZCIHGTBPIYGWBWDYG4B}

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	2026-07-05T00:13:09.802261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f26de14739120e6985e8c1ac1b0f06e05982f9dfc56dafcca34e1169357a7e25

Aliases

arxiv: 1910.08534 · arxiv_version: 1910.08534v1 · doi: 10.48550/arxiv.1910.08534 · pith_short_12: 6JW6CRZZCIHG · pith_short_16: 6JW6CRZZCIHGTBPI · pith_short_8: 6JW6CRZZ

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/6JW6CRZZCIHGTBPIYGWBWDYG4B \
  | 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: f26de14739120e6985e8c1ac1b0f06e05982f9dfc56dafcca34e1169357a7e25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72e3a290b9fffc3eff626f7674d2345b474b7cb9c3954653758e42985172f223",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.HC",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-10-18T17:59:59Z",
    "title_canon_sha256": "099ef047cebb7ba9aa74717f68e86535ccf31a5397a260e93745a5fd9bb5d81f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08534",
    "kind": "arxiv",
    "version": 1
  }
}