Pith Number

pith:Y5EOGTVR

pith:2026:Y5EOGTVRIKJLBM3W63GFJQUCH4

not attested not anchored not stored refs pending

On the Difficulty of Learning a Meta-network for Training Data Selection

Boyang Albert Li, Junqi Zhao, Zilin Du

arxiv:2606.00571 v1 · 2026-05-30 · cs.LG · cs.AI · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5EOGTVRIKJLBM3W63GFJQUCH4}

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	2026-06-02T01:03:58.606942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c748e34eb14292b0b376f6cc54c2823f221bae71f4b3b748f4521a5a15d2410c

Aliases

arxiv: 2606.00571 · arxiv_version: 2606.00571v1 · doi: 10.48550/arxiv.2606.00571 · pith_short_12: Y5EOGTVRIKJL · pith_short_16: Y5EOGTVRIKJLBM3W · pith_short_8: Y5EOGTVR

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/Y5EOGTVRIKJLBM3W63GFJQUCH4 \
  | 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: c748e34eb14292b0b376f6cc54c2823f221bae71f4b3b748f4521a5a15d2410c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddb5099e1cb1404d42f0e56982b321a5786444207399834dc676c224931d91cf",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-30T06:47:24Z",
    "title_canon_sha256": "02b9febffada03d08a2524de5ce0d23deead9d3a4ef0184132e98771ef54dcc2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.00571",
    "kind": "arxiv",
    "version": 1
  }
}