Pith Number

pith:YV3K4FKA

pith:2026:YV3K4FKAHZTXU6TE23IAJS5ART

not attested not anchored not stored refs pending

Sleep-stage efficient classification using a lightweight self-supervised model

Eldiane Borges dos Santos Dur\~aes, Jo\~ao Batista Florindo

arxiv:2605.26295 v1 · 2026-05-25 · 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{YV3K4FKAHZTXU6TE23IAJS5ART}

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	2026-05-27T01:05:10.561677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c576ae15403e677a7a64d6d004cba08ce4b6d2ebff7b4e7ae5d47cb17c6aca4f

Aliases

arxiv: 2605.26295 · arxiv_version: 2605.26295v1 · doi: 10.48550/arxiv.2605.26295 · pith_short_12: YV3K4FKAHZTX · pith_short_16: YV3K4FKAHZTXU6TE · pith_short_8: YV3K4FKA

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/YV3K4FKAHZTXU6TE23IAJS5ART \
  | 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: c576ae15403e677a7a64d6d004cba08ce4b6d2ebff7b4e7ae5d47cb17c6aca4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "488b10fdbf7710b0ab7edf6b5239fd9c6b8962f561e1b48180ee324c4d9e7149",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-05-25T19:37:54Z",
    "title_canon_sha256": "76c133bb04872dc517b1fea539197be890861da9104dcf1ba2d21b7178a141ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26295",
    "kind": "arxiv",
    "version": 1
  }
}