Pith Number

pith:3PX3YTRS

pith:2012:3PX3YTRSNPRSESVAKW2M63CWLI

not attested not anchored not stored refs pending

New Sequential Methods for Detecting Portscanners

Xinjia Chen

arxiv:1204.1935 v1 · 2012-04-09 · stat.AP · 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{3PX3YTRSNPRSESVAKW2M63CWLI}

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	2026-05-18T03:58:14.681199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbefbc4e326be3224aa055b4cf6c565a12c5c6691481428cfed1ff4c22c28c33

Aliases

arxiv: 1204.1935 · arxiv_version: 1204.1935v1 · doi: 10.48550/arxiv.1204.1935 · pith_short_12: 3PX3YTRSNPRS · pith_short_16: 3PX3YTRSNPRSESVA · pith_short_8: 3PX3YTRS

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/3PX3YTRSNPRSESVAKW2M63CWLI \
  | 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: dbefbc4e326be3224aa055b4cf6c565a12c5c6691481428cfed1ff4c22c28c33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f93aa2ebb954ed8780c35a9ce93f893f2f3c6758ae882dbb01e6eccaa45dd5e2",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-04-09T17:38:47Z",
    "title_canon_sha256": "73f08559bdc73ea0074229d46a533cc6154eef07e5129367b3bbccc74ff47fd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.1935",
    "kind": "arxiv",
    "version": 1
  }
}