pith. sign in
Pith Number

pith:YKLN3G77

pith:2017:YKLN3G775UYBA3CCE77MUTMJSM
not attested not anchored not stored refs pending

Large-Scale Sleep Condition Analysis Using Selfies from Social Media

Catherine Glenn, Jiebo Luo, Jingyao Zhan, Xuefeng Peng, Yuhan Liu

arxiv:1704.06853 v1 · 2017-04-22 · cs.SI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YKLN3G775UYBA3CCE77MUTMJSM}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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 2026-05-18T00:45:55.586943Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c296dd9bffed30106c4227feca4d89930ad7343bfc3fedd7e692e13cb11fa767

Aliases

arxiv: 1704.06853 · arxiv_version: 1704.06853v1 · doi: 10.48550/arxiv.1704.06853 · pith_short_12: YKLN3G775UYB · pith_short_16: YKLN3G775UYBA3CC · pith_short_8: YKLN3G77
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YKLN3G775UYBA3CCE77MUTMJSM \
  | 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: c296dd9bffed30106c4227feca4d89930ad7343bfc3fedd7e692e13cb11fa767
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fbf250954646b298e83c7016725c71e67704e8a8103b1693e21a51996bbd0055",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2017-04-22T21:32:57Z",
    "title_canon_sha256": "50cb89adc0d4f51e90b5d07c5c7498e5e148990720dc9f51f808f96164bcbc35"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.06853",
    "kind": "arxiv",
    "version": 1
  }
}