Pith Number

pith:QQF6YKY6

pith:2020:QQF6YKY6JVQ6VBPBTRCORAHKG3

not attested not anchored not stored refs pending

Don't Forget to Lock the Front Door! Inferring the Deployment of Source Address Validation of Inbound Traffic

Andrzej Duda, Baptiste Jonglez, Maciej Korczy\'nski, Marcin Skwarek, Qasim Lone, Yevheniya Nosyk

arxiv:2002.00441 v1 · 2020-02-02 · 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{QQF6YKY6JVQ6VBPBTRCORAHKG3}

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	2026-07-05T00:51:06.356479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

840bec2b1e4d61ea85e19c44e880ea36fea63b888606cdf5bff5826351e9306e

Aliases

arxiv: 2002.00441 · arxiv_version: 2002.00441v1 · doi: 10.48550/arxiv.2002.00441 · pith_short_12: QQF6YKY6JVQ6 · pith_short_16: QQF6YKY6JVQ6VBPB · pith_short_8: QQF6YKY6

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/QQF6YKY6JVQ6VBPBTRCORAHKG3 \
  | 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: 840bec2b1e4d61ea85e19c44e880ea36fea63b888606cdf5bff5826351e9306e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40cad0f4ed4927e91a51036c7efb3cc530fe63c46cc932363c3f4579fc2ecb18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2020-02-02T18:04:26Z",
    "title_canon_sha256": "39189985447cf4cc363c195eca397ca7e16abd707a7ad43878086e85e4fc6005"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.00441",
    "kind": "arxiv",
    "version": 1
  }
}