Pith Number

pith:GKCNQT3L

pith:2019:GKCNQT3LCOUFDNOJQIXX7HMPJL

not attested not anchored not stored refs pending

Security Analysis of Near-Field Communication (NFC) Payments

Dennis Giese, Kevin Liu, Linda Zhang, Michael Sun, Tahin Syed

arxiv:1904.10623 v1 · 2019-04-24 · 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{GKCNQT3LCOUFDNOJQIXX7HMPJL}

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	2026-05-17T23:47:53.207031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3284d84f6b13a851b5c9822f7f9d8f4ae5a0e97d33baffe34e3d126f0a7d52ab

Aliases

arxiv: 1904.10623 · arxiv_version: 1904.10623v1 · doi: 10.48550/arxiv.1904.10623 · pith_short_12: GKCNQT3LCOUF · pith_short_16: GKCNQT3LCOUFDNOJ · pith_short_8: GKCNQT3L

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/GKCNQT3LCOUFDNOJQIXX7HMPJL \
  | 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: 3284d84f6b13a851b5c9822f7f9d8f4ae5a0e97d33baffe34e3d126f0a7d52ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6baf4180890707f46cf41557f1800982661c194665bdeb17daeffc11c907e0e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-04-24T03:16:32Z",
    "title_canon_sha256": "842367074e5399602a8b036d8caad943e58bd288f200fb814b4c84b39a57c01b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10623",
    "kind": "arxiv",
    "version": 1
  }
}