pith. sign in
Pith Number

pith:OKC77MNA

pith:2018:OKC77MNARR6HNROVBHF63IWRA7
not attested not anchored not stored refs pending

Electrochemical Sensing of Lead in Drinking Water Using MWCNTs and \b{eta}-Cyclodextrin

Arif Ul Alam, Matiar M. R. Howlader, M. Jamal Deen, Nan-Xing Hu

arxiv:1811.09654 v1 · 2018-11-23 · physics.app-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OKC77MNARR6HNROVBHF63IWRA7}

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 2026-05-17T23:44:37.897967Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7285ffb1a08c7c76c5d509cbeda2d107ea4bfc7292e638b18556f97e57827015

Aliases

arxiv: 1811.09654 · arxiv_version: 1811.09654v1 · doi: 10.48550/arxiv.1811.09654 · pith_short_12: OKC77MNARR6H · pith_short_16: OKC77MNARR6HNROV · pith_short_8: OKC77MNA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OKC77MNARR6HNROVBHF63IWRA7 \
  | 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: 7285ffb1a08c7c76c5d509cbeda2d107ea4bfc7292e638b18556f97e57827015
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e9c761fe635a5ae688ca6238b72d06006a432b93194a58b212d569487a181d72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-11-23T19:52:53Z",
    "title_canon_sha256": "143ce142b4b98a42c6a9302144400db16ee0adc98f98194c3cdad90968a53763"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09654",
    "kind": "arxiv",
    "version": 1
  }
}