Pith Number

pith:4SSYUK3Q

pith:2019:4SSYUK3QRIFNZRVFIPOS5N7HFU

not attested not anchored not stored refs pending

Direct Quantification of Water Surface Charge by Phase-Sensitive Second Harmonic Spectroscopy

Kuo-Yang Chiang, Laetitia Dalstein, Yu-Chieh Wen

arxiv:1906.10942 v2 · 2019-06-26 · physics.chem-ph · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SSYUK3QRIFNZRVFIPOS5N7HFU}

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	2026-07-04T23:59:33.406738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4a58a2b708a0adcc6a543dd2eb7e72d1a6840e28552fb36b60c51ce2e2bb8e1

Aliases

arxiv: 1906.10942 · arxiv_version: 1906.10942v2 · doi: 10.48550/arxiv.1906.10942 · pith_short_12: 4SSYUK3QRIFN · pith_short_16: 4SSYUK3QRIFNZRVF · pith_short_8: 4SSYUK3Q

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/4SSYUK3QRIFNZRVFIPOS5N7HFU \
  | 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: e4a58a2b708a0adcc6a543dd2eb7e72d1a6840e28552fb36b60c51ce2e2bb8e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73802b19485761877222cd09071450c9f3faa3708a243720dd78eb6cdbfc8f7f",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-06-26T09:54:05Z",
    "title_canon_sha256": "7cd04f579976e94ac3a099e4ba718059737931db634e8042ba1e1741e8f68a05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.10942",
    "kind": "arxiv",
    "version": 2
  }
}