Pith Number

pith:CIPPHIB2

pith:2019:CIPPHIB2B7JTYDNIEOG55UOL5K

not attested not anchored not stored refs pending

The Language of Legal and Illegal Activity on the Darknet

Dan Eldad, Daniel Hershcovich, Elior Sulem, Leshem Choshen, Omri Abend

arxiv:1905.05543 v2 · 2019-05-14 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CIPPHIB2B7JTYDNIEOG55UOL5K}

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	2026-05-17T23:44:18.632472Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

121ef3a03a0fd33c0da8238dded1cbea8a1b43c6d6aaacf377ba31788aa374bb

Aliases

arxiv: 1905.05543 · arxiv_version: 1905.05543v2 · doi: 10.48550/arxiv.1905.05543 · pith_short_12: CIPPHIB2B7JT · pith_short_16: CIPPHIB2B7JTYDNI · pith_short_8: CIPPHIB2

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/CIPPHIB2B7JTYDNIEOG55UOL5K \
  | 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: 121ef3a03a0fd33c0da8238dded1cbea8a1b43c6d6aaacf377ba31788aa374bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "52dae9492d9a20fe17fdc43502726d6f24df2474c755236021b1b28ac27806b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-05-14T12:14:27Z",
    "title_canon_sha256": "84900b86c87e7bea1b4dd7f03e4fdddbcd59208694dd2564fe81e850bd9feb69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05543",
    "kind": "arxiv",
    "version": 2
  }
}