Pith Number

pith:KR4H55MI

pith:2026:KR4H55MISIAXZOCLH2WLEEVWZC

not attested not anchored not stored refs pending

Towards Understanding Self-Pretraining for Sequence Classification

Antonio Orvieto, Loredana Zollo, Omar Coser, Paolo Soda

arxiv:2605.21070 v1 · 2026-05-20 · 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{KR4H55MISIAXZOCLH2WLEEVWZC}

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	2026-05-21T01:05:35.122682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54787ef58892017cb84b3eacb212b6c8b1ff220e18c08176bf073a251a6be7ce

Aliases

arxiv: 2605.21070 · arxiv_version: 2605.21070v1 · doi: 10.48550/arxiv.2605.21070 · pith_short_12: KR4H55MISIAX · pith_short_16: KR4H55MISIAXZOCL · pith_short_8: KR4H55MI

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/KR4H55MISIAXZOCLH2WLEEVWZC \
  | 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: 54787ef58892017cb84b3eacb212b6c8b1ff220e18c08176bf073a251a6be7ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85f1a4dacb5c8fe274dd389d8560bcc2acecd8ffd2a0f0c475fa8fe4662db61e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-05-20T11:56:15Z",
    "title_canon_sha256": "00a7b9858dd812e94bc1e906508cd168da88fcb890ff5bf6afb80017b9d5bde4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21070",
    "kind": "arxiv",
    "version": 1
  }
}