Pith Number

pith:ZRYZW3UC

pith:2026:ZRYZW3UCYCCRCR74GWIUGKWWWB

not attested not anchored not stored refs pending

The Fairness Collapse Phenomenon: Bias Amplification in Language Models Trained on Synthetic Data

Antoine Gourru, Irina Proskurina, Julien Velcin

arxiv:2608.04268 v1 · 2026-08-04 · 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{ZRYZW3UCYCCRCR74GWIUGKWWWB}

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	2026-08-06T01:31:51.834520Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc719b6e82c0851147fc3591432ad6b07a8d9d36a4a246488ba220fb17625aee

Aliases

arxiv: 2608.04268 · arxiv_version: 2608.04268v1 · doi: 10.48550/arxiv.2608.04268 · pith_short_12: ZRYZW3UCYCCR · pith_short_16: ZRYZW3UCYCCRCR74 · pith_short_8: ZRYZW3UC

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/ZRYZW3UCYCCRCR74GWIUGKWWWB \
  | 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: cc719b6e82c0851147fc3591432ad6b07a8d9d36a4a246488ba220fb17625aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8138f6e54630aaaa69a5e559e4bb933adad78de8820c25138b3ed7b30731f29",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-08-04T22:56:39Z",
    "title_canon_sha256": "194e8226702349a8582d26569305017a85f27c3dce5128bd9e8168ce22b5f19f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.04268",
    "kind": "arxiv",
    "version": 1
  }
}