Pith Number

pith:U3ZHFKEZ

pith:2026:U3ZHFKEZNGGXIAWO2DPOR2BSYS

not attested not anchored not stored refs pending

Omni-Sleep: A Sleep Foundation Model via Hierarchical Contrastive Learning of CNS--ANS Dynamic

Chen Wei, Kexin Lou, Mo Wang, Quanying Liu, Song Wang, Zhoujie Hou

arxiv:2607.07720 v1 · 2026-07-04 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U3ZHFKEZNGGXIAWO2DPOR2BSYS}

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	2026-07-10T00:18:47.215586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6f272a899698d7402ced0dee8e832c4a12c3c8c01a4ff6efc70d0c94f8cd686

Aliases

arxiv: 2607.07720 · arxiv_version: 2607.07720v1 · doi: 10.48550/arxiv.2607.07720 · pith_short_12: U3ZHFKEZNGGX · pith_short_16: U3ZHFKEZNGGXIAWO · pith_short_8: U3ZHFKEZ

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/U3ZHFKEZNGGXIAWO2DPOR2BSYS \
  | 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: a6f272a899698d7402ced0dee8e832c4a12c3c8c01a4ff6efc70d0c94f8cd686

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2dca0094803e911d82ebd45b01d8f53188db078907e911f00b4f60bf8a6813f",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-07-04T13:45:39Z",
    "title_canon_sha256": "1f206230acaec814cab4979e1355b29d2397814fec8adb5bd1f388432e8a4fb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07720",
    "kind": "arxiv",
    "version": 1
  }
}