Pith Number

pith:3NGKH3KG

pith:2008:3NGKH3KGX7JDEJVBX7X7RVFQ4E

not attested not anchored not stored refs pending

Specific Na+ and K+ Cation Effects on the Interfacial Water Molecules at the Air/Aqueous Salt Solution Interfaces Probed with Non-resonant Second Harmonic Generation (SHG)

Hong-Fei Wang, Hong-tao Bian, Ran-ran Feng, Yuan Guo

arxiv:0812.2630 v1 · 2008-12-14 · physics.chem-ph · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NGKH3KGX7JDEJVBX7X7RVFQ4E}

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	2026-05-18T01:07:54.340730Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db4ca3ed46bfd23226a1bfeff8d4b0e1272d3b876db4f4b7165838717368862d

Aliases

arxiv: 0812.2630 · arxiv_version: 0812.2630v1 · doi: 10.48550/arxiv.0812.2630 · pith_short_12: 3NGKH3KGX7JD · pith_short_16: 3NGKH3KGX7JDEJVB · pith_short_8: 3NGKH3KG

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/3NGKH3KGX7JDEJVBX7X7RVFQ4E \
  | 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: db4ca3ed46bfd23226a1bfeff8d4b0e1272d3b876db4f4b7165838717368862d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f0919b4ebe7b6e24d55f3e809df6168d561a3e12d27bec5ba04e7ceb08f5dc4",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2008-12-14T13:02:35Z",
    "title_canon_sha256": "3b92da51ec46beaabb594014b38adfc803e3d9f3c6e82ff71831f5da529c0acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.2630",
    "kind": "arxiv",
    "version": 1
  }
}