Pith Number

pith:TH33PIN2

pith:2026:TH33PIN2ADFMGODJJZSYDBHWOP

not attested not anchored not stored refs pending

Quality-Diversity Stress Tests for Process Reward Models:What Archive Coverage Can and Cannot Certify

Fariya Afrin, Ibne Farabi Shihab

arxiv:2608.08008 v1 · 2026-08-08 · 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{TH33PIN2ADFMGODJJZSYDBHWOP}

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	2026-08-11T01:21:22.326461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

99f7b7a1ba00cac338694e658184f673dd0a6a0781317e3ea2903f6be374f01c

Aliases

arxiv: 2608.08008 · arxiv_version: 2608.08008v1 · doi: 10.48550/arxiv.2608.08008 · pith_short_12: TH33PIN2ADFM · pith_short_16: TH33PIN2ADFMGODJ · pith_short_8: TH33PIN2

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/TH33PIN2ADFMGODJJZSYDBHWOP \
  | 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: 99f7b7a1ba00cac338694e658184f673dd0a6a0781317e3ea2903f6be374f01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f19695dce1cfcc27f8e959c371baca70342906514e0992f47674613bcefc5ba9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-08T08:41:06Z",
    "title_canon_sha256": "4366dda0f9d0ed428f777ba5bb968591cfbd770850bc5a4a9baa0f6241779b71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.08008",
    "kind": "arxiv",
    "version": 1
  }
}