Pith Number

pith:LFZ5E2S3

pith:2026:LFZ5E2S35UIR2FX2J4OTF6KOJA

not attested not anchored not stored refs pending

FairFund-Bench: Evaluating Distributive Bias in LLM Resource Allocation

Martin Lukk (University of Toronto)

arxiv:2607.28934 v1 · 2026-07-31 · cs.CL · cs.AI · cs.CY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFZ5E2S35UIR2FX2J4OTF6KOJA}

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	2026-08-03T01:17:31.594397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5973d26a5bed111d16fa4f1d32f94e483370c0e51b7bc278efe5a0f505d38b66

Aliases

arxiv: 2607.28934 · arxiv_version: 2607.28934v1 · doi: 10.48550/arxiv.2607.28934 · pith_short_12: LFZ5E2S35UIR · pith_short_16: LFZ5E2S35UIR2FX2 · pith_short_8: LFZ5E2S3

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/LFZ5E2S35UIR2FX2J4OTF6KOJA \
  | 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: 5973d26a5bed111d16fa4f1d32f94e483370c0e51b7bc278efe5a0f505d38b66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1c28771dfa5fbc16bdf2ce6f08d09ca870e165c3b1534247c049cfaccf166e0",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CY"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-07-31T01:29:16Z",
    "title_canon_sha256": "6714435e11d0381b08918614d9b073dbdfe8147b4e122bdbd147d065d0f476f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.28934",
    "kind": "arxiv",
    "version": 1
  }
}