Pith Number

pith:4FIAJ6D6

pith:2021:4FIAJ6D6XUMOL7JD3IZ2SNBO2Z

not attested not anchored not stored refs pending

The Far Side of DNS Amplification: Tracing the DDoS Attack Ecosystem from the Internet Core

Marcin Nawrocki, Matthias W\"ahlisch, Mattijs Jonker, Thomas C. Schmidt

arxiv:2109.01104 v3 · 2021-09-02 · cs.CR · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FIAJ6D6XUMOL7JD3IZ2SNBO2Z}

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	2026-07-05T03:20:23.199485Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e15004f87ebd18e5fd23da33a9342ed640615ca98a997e902d51b097a9b3ad15

Aliases

arxiv: 2109.01104 · arxiv_version: 2109.01104v3 · doi: 10.48550/arxiv.2109.01104 · pith_short_12: 4FIAJ6D6XUMO · pith_short_16: 4FIAJ6D6XUMOL7JD · pith_short_8: 4FIAJ6D6

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/4FIAJ6D6XUMOL7JD3IZ2SNBO2Z \
  | 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: e15004f87ebd18e5fd23da33a9342ed640615ca98a997e902d51b097a9b3ad15

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7e17e1e1c29a96f2ea28b143485bcb4549a5a1395fde007ee87ed1ea9d09eaa",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-09-02T17:27:30Z",
    "title_canon_sha256": "0c06669b6802772ebb9ea5df0ec6e60469fbcaf2c94bb8f630d3c1ffdb891125"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.01104",
    "kind": "arxiv",
    "version": 3
  }
}