Pith Number

pith:Q4N2H2NH

pith:2015:Q4N2H2NHV2TINCPKAZ4OVUTFUV

not attested not anchored not stored refs pending

Efficient and Anonymous Two-Factor User Authentication in Wireless Sensor Networks: Achieving User Anonymity with Lightweight Sensor Computation

Dongho Won, Junghyun Nam, Juryon Paik, Kim-Kwang Raymond Choo, Moonseong Kim, Sangchul Han

arxiv:1509.06813 v1 · 2015-09-23 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4N2H2NHV2TINCPKAZ4OVUTFUV}

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	2026-05-18T01:32:17.934997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871ba3e9a7aea68689ea0678ead265a577cfa78b871f1c58f6d2d72ef4544d1a

Aliases

arxiv: 1509.06813 · arxiv_version: 1509.06813v1 · doi: 10.48550/arxiv.1509.06813 · pith_short_12: Q4N2H2NHV2TI · pith_short_16: Q4N2H2NHV2TINCPK · pith_short_8: Q4N2H2NH

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/Q4N2H2NHV2TINCPKAZ4OVUTFUV \
  | 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: 871ba3e9a7aea68689ea0678ead265a577cfa78b871f1c58f6d2d72ef4544d1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfc8cf160618ee1ecbc50406b0fa898a1055f99810aadfc974c6d670a218c37d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-09-23T00:08:31Z",
    "title_canon_sha256": "6735712a21678afd41281cf4c5c61b1e56cbe2f216e2d50b9a2717fe153cbf20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06813",
    "kind": "arxiv",
    "version": 1
  }
}