Pith Number

pith:VTQNLJCB

pith:2025:VTQNLJCBSFDEM5RNOWSYWJAPAY

not attested not anchored not stored refs pending

AI-driven Remote Facial Skin Hydration and TEWL Assessment from Selfie Images: A Systematic Solution

Alex Kot, Cecelia Soh, Dennis Sng, Monalisha Paul, Rizhao Cai

arxiv:2509.06282 v1 · 2025-09-08 · 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{VTQNLJCBSFDEM5RNOWSYWJAPAY}

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	2026-07-05T12:06:32.966156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ace0d5a441914646762d75a58b240f060e77c095d78b0bb0ac5fbdd7c4f544cf

Aliases

arxiv: 2509.06282 · arxiv_version: 2509.06282v1 · doi: 10.48550/arxiv.2509.06282 · pith_short_12: VTQNLJCBSFDE · pith_short_16: VTQNLJCBSFDEM5RN · pith_short_8: VTQNLJCB

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/VTQNLJCBSFDEM5RNOWSYWJAPAY \
  | 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: ace0d5a441914646762d75a58b240f060e77c095d78b0bb0ac5fbdd7c4f544cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f786bad7fdd44b53f254e88ae1c219b19df6edce9668fcff119790aba8a3f330",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-09-08T02:06:37Z",
    "title_canon_sha256": "2fa01196acad3a43ebebc67f893b659a433715b11b7f15a54824af20d240ad25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.06282",
    "kind": "arxiv",
    "version": 1
  }
}