Pith Number

pith:UEHMT6KJ

pith:2024:UEHMT6KJ64DRW5T5NQUAW4KL5K

not attested not anchored not stored refs pending

Dissecting Sample Hardness: A Fine-Grained Analysis of Hardness Characterization Methods for Data-Centric AI

Fergus Imrie, Mihaela van der Schaar, Nabeel Seedat

arxiv:2403.04551 v1 · 2024-03-07 · 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{UEHMT6KJ64DRW5T5NQUAW4KL5K}

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	2026-07-05T07:53:24.997774Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a10ec9f949f7071b767d6c280b714bea818b38e5536f879cbe4454f570e8ace0

Aliases

arxiv: 2403.04551 · arxiv_version: 2403.04551v1 · doi: 10.48550/arxiv.2403.04551 · pith_short_12: UEHMT6KJ64DR · pith_short_16: UEHMT6KJ64DRW5T5 · pith_short_8: UEHMT6KJ

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/UEHMT6KJ64DRW5T5NQUAW4KL5K \
  | 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: a10ec9f949f7071b767d6c280b714bea818b38e5536f879cbe4454f570e8ace0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd3b75d029fe9b405b2afbbb7380ec78253f5b34d8531579824bc68fd52e1344",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-03-07T14:45:03Z",
    "title_canon_sha256": "1f8206bd654b085fa44ee13ad2e7177e3cca87699e7592650722add0154c4d61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.04551",
    "kind": "arxiv",
    "version": 1
  }
}