Pith Number

pith:3OI5JPPT

pith:2026:3OI5JPPTY4CGXT2XNEUBYTW2EI

not attested not anchored not stored refs pending

Trajectory-Based Difficulty Scoring for Reliable Learning on Tabular Data

Bracha Shapira, Nadav Rappoport, Tomer Lavi

arxiv:2605.24680 v1 · 2026-05-23 · 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{3OI5JPPTY4CGXT2XNEUBYTW2EI}

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	2026-05-26T01:03:52.925457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db91d4bdf3c7046bcf5769281c4eda221ec7f6c081f025f0ac5e49ac6d02670d

Aliases

arxiv: 2605.24680 · arxiv_version: 2605.24680v1 · doi: 10.48550/arxiv.2605.24680 · pith_short_12: 3OI5JPPTY4CG · pith_short_16: 3OI5JPPTY4CGXT2X · pith_short_8: 3OI5JPPT

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/3OI5JPPTY4CGXT2XNEUBYTW2EI \
  | 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: db91d4bdf3c7046bcf5769281c4eda221ec7f6c081f025f0ac5e49ac6d02670d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c0da06e9d4d42a930b4c0f7528f9b810d92255a99d816f6b84297a840d4bf1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-23T17:30:08Z",
    "title_canon_sha256": "f0657a3fab1508516350b2f0cf63d0419798778fb9cb8cc8809c63f1fafd13e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24680",
    "kind": "arxiv",
    "version": 1
  }
}