Pith Number

pith:P553KCIL

pith:2019:P553KCIL63CXDNY5DCVKF7LFXD

not attested not anchored not stored refs pending

A Broad Evaluation of the Tor English Content Ecosystem

Derek Doran, Mahdieh Zabihimayvan, Mehdi Allahyari, Reza Sadeghi

arxiv:1902.06680 v1 · 2019-02-18 · cs.SI · 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{P553KCIL63CXDNY5DCVKF7LFXD}

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	2026-05-17T23:53:44.834584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f7bb5090bf6c571b71d18aaa2fd65b8fffb0c5e5c08c07770823c56a13aff09

Aliases

arxiv: 1902.06680 · arxiv_version: 1902.06680v1 · doi: 10.48550/arxiv.1902.06680 · pith_short_12: P553KCIL63CX · pith_short_16: P553KCIL63CXDNY5 · pith_short_8: P553KCIL

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/P553KCIL63CXDNY5DCVKF7LFXD \
  | 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: 7f7bb5090bf6c571b71d18aaa2fd65b8fffb0c5e5c08c07770823c56a13aff09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2411b94be7a5eab27d98184cc3445104904a337c0a346d9ed5e0073375d562aa",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2019-02-18T17:49:12Z",
    "title_canon_sha256": "e84936821c688d052d4bf62fda4216b793353b2aaa6f178b06f54530fd9a4293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06680",
    "kind": "arxiv",
    "version": 1
  }
}