Pith Number

pith:FXEFUIJH

pith:2023:FXEFUIJH7CQ4PBNZBSRHQACTWK

not attested not anchored not stored refs pending

Associations Between Sleep Efficiency Variability and Cognition Among Older Adults: Cross-Sectional Accelerometer Study

Collin Sakal, Juan Li, Tingyou Li, Xinyue Li

arxiv:2309.08809 v3 · 2023-09-15 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXEFUIJH7CQ4PBNZBSRHQACTWK}

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	2026-07-05T07:09:01.512360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dc85a2127f8a1c785b90ca2780053b280b4c3c343d1e0c8c455331c5c54cad3

Aliases

arxiv: 2309.08809 · arxiv_version: 2309.08809v3 · doi: 10.48550/arxiv.2309.08809 · pith_short_12: FXEFUIJH7CQ4 · pith_short_16: FXEFUIJH7CQ4PBNZ · pith_short_8: FXEFUIJH

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/FXEFUIJH7CQ4PBNZBSRHQACTWK \
  | 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: 2dc85a2127f8a1c785b90ca2780053b280b4c3c343d1e0c8c455331c5c54cad3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4cdaea2ba126d03fac0a75637f71f335b3336b006be27a99ab9ef42caec6c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2023-09-15T23:24:25Z",
    "title_canon_sha256": "c0999e3a5ef2724297d4ad13e452f2e09e7d0d1034d185b028189e731e4f41f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.08809",
    "kind": "arxiv",
    "version": 3
  }
}