Pith Number

pith:7DNDXWRQ

pith:2019:7DNDXWRQE2GU5QVR7DHCWHE4AU

not attested not anchored not stored refs pending

Characterizing Activity on the Deep and Dark Web

Andr\'es Abeliuk, Emilio Ferrara, Kristina Lerman, Nathan Bartley, Nazgol Tavabi, Sandeep Soni

arxiv:1903.00156 v1 · 2019-03-01 · cs.CY · cs.CR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7DNDXWRQE2GU5QVR7DHCWHE4AU}

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	2026-05-17T23:52:20.701890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f8da3bda30268d4ec2b1f8ce2b1c9c050df87283d9bc7b44acbb328a6c700598

Aliases

arxiv: 1903.00156 · arxiv_version: 1903.00156v1 · doi: 10.48550/arxiv.1903.00156 · pith_short_12: 7DNDXWRQE2GU · pith_short_16: 7DNDXWRQE2GU5QVR · pith_short_8: 7DNDXWRQ

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/7DNDXWRQE2GU5QVR7DHCWHE4AU \
  | 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: f8da3bda30268d4ec2b1f8ce2b1c9c050df87283d9bc7b44acbb328a6c700598

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a9535563572c2f01901d1cd5c051da00f6b9f3803f9eb612e9355eab5d3054b",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2019-03-01T05:01:04Z",
    "title_canon_sha256": "348bbcbc585f9995a039925b61ca6007536c884cee26dba2841bdffa8fdc9998"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.00156",
    "kind": "arxiv",
    "version": 1
  }
}