Pith Number

pith:XT67FTCW

pith:2026:XT67FTCWPS265PM2JM23YYCNPD

not attested not anchored not stored refs pending

Reproducing FACTER: Fairness via Conformal Thresholding and Prompt Repair

Clara Rus, Daimy van Loo, Mikel Blom, Oscar Mir\'o L\'opez-Feliu, Xanthos Kekkos

arxiv:2606.28620 v1 · 2026-06-26 · cs.IR · cs.CY · 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{XT67FTCWPS265PM2JM23YYCNPD}

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	2026-06-30T00:15:20.775162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcfdf2cc567cb5eebd9a4b35bc604d78c9895f461a7d8468a89afa18aab53dfc

Aliases

arxiv: 2606.28620 · arxiv_version: 2606.28620v1 · doi: 10.48550/arxiv.2606.28620 · pith_short_12: XT67FTCWPS26 · pith_short_16: XT67FTCWPS265PM2 · pith_short_8: XT67FTCW

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/XT67FTCWPS265PM2JM23YYCNPD \
  | 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: bcfdf2cc567cb5eebd9a4b35bc604d78c9895f461a7d8468a89afa18aab53dfc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46b627d0edb8202c0858010a4bdcdfafc31bbea4ecf2d107bec6016e9f476d43",
    "cross_cats_sorted": [
      "cs.CY",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2026-06-26T21:37:01Z",
    "title_canon_sha256": "989c5d383943acb891f2f0212d49031c4a861d994ad26ed868a7ed4a16562189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28620",
    "kind": "arxiv",
    "version": 1
  }
}