Pith Number

pith:XHPF2IT4

pith:2026:XHPF2IT4YWVFYRCDOKL25RDTDH

not attested not anchored not stored refs pending

OSF: On Pre-training and Scaling of Sleep Foundation Models

David Yang, Wei Wang, Yuzhe Yang, Zitao Shuai, Zongzhe Xu

arxiv:2603.00190 v2 · 2026-02-27 · cs.LG · cs.AI

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\usepackage{pith}
\pithnumber{XHPF2IT4YWVFYRCDOKL25RDTDH}

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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.

Cited by

4 papers in Pith

Inertia-1: An Open Exploration of Wearable Motion Foundation Models

GlucoFM: A Dual-Stream Foundation Model for Continuous Glucose Monitoring

Next-Token Prediction Learns Generalisable Representations of Sleep Physiology

TimeSRL: Generalizable Time-Series Behavioral Modeling via Semantic RL-Tuned LLMs -- A Case Study in Mental Health

Receipt and verification

First computed	2026-07-07T02:18:35.856695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b9de5d227cc5aa5c44437297aec47319e4548519acc096ac518c8dc2cdfd1ea6

Aliases

arxiv: 2603.00190 · arxiv_version: 2603.00190v2 · doi: 10.48550/arxiv.2603.00190 · pith_short_12: XHPF2IT4YWVF · pith_short_16: XHPF2IT4YWVFYRCD · pith_short_8: XHPF2IT4

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/XHPF2IT4YWVFYRCDOKL25RDTDH \
  | 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: b9de5d227cc5aa5c44437297aec47319e4548519acc096ac518c8dc2cdfd1ea6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf0b0a07df89ed776ce4a31fcd367453b63ec03ba9baf50725575e3670df0d29",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-02-27T02:14:56Z",
    "title_canon_sha256": "16a0a37dd048fa3551777f6009154e3c70974bfd2dc3aee25bc70570ab4c6c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.00190",
    "kind": "arxiv",
    "version": 2
  }
}