Pith Number

pith:H7CIRROW

pith:2021:H7CIRROWRDRA47SAVOSZHZLOCL

not attested not anchored not stored refs pending

Fine-Tuned Transformers Show Clusters of Similar Representations Across Layers

Haokun Liu, Jason Phang, Samuel R. Bowman

arxiv:2109.08406 v2 · 2021-09-17 · 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{H7CIRROWRDRA47SAVOSZHZLOCL}

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	2026-07-05T03:15:37.724984Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fc488c5d688e20e7e40aba593e56e12f3fbd7d8c889685e3a61a219f5bdd2f1

Aliases

arxiv: 2109.08406 · arxiv_version: 2109.08406v2 · doi: 10.48550/arxiv.2109.08406 · pith_short_12: H7CIRROWRDRA · pith_short_16: H7CIRROWRDRA47SA · pith_short_8: H7CIRROW

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/H7CIRROWRDRA47SAVOSZHZLOCL \
  | 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: 3fc488c5d688e20e7e40aba593e56e12f3fbd7d8c889685e3a61a219f5bdd2f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eebab0d8f8612bae089303b88cbf72eacd5747750ee56cc22de87f3724faf13f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-09-17T08:32:41Z",
    "title_canon_sha256": "27cb993ff7c4cad86add58ccaf35046a87b1a9ffd43a040979a77a5c9222a1c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.08406",
    "kind": "arxiv",
    "version": 2
  }
}