Pith Number

pith:BX2PLQIV

pith:2018:BX2PLQIVACABFDH4V6ZPFZNZGQ

not attested not anchored not stored refs pending

Automatically Generating a Large, Culture-Specific Blocklist for China

Austin Hounsel, Nick Feamster, Prateek Mittal

arxiv:1806.03255 v2 · 2018-06-04 · cs.CY · 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{BX2PLQIVACABFDH4V6ZPFZNZGQ}

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	2026-05-18T00:10:21.665238Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0df4f5c1150080128cfcafb2f2e5b9342f1a9ae893dee69f938cb9b0d722f207

Aliases

arxiv: 1806.03255 · arxiv_version: 1806.03255v2 · doi: 10.48550/arxiv.1806.03255 · pith_short_12: BX2PLQIVACAB · pith_short_16: BX2PLQIVACABFDH4 · pith_short_8: BX2PLQIV

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/BX2PLQIVACABFDH4V6ZPFZNZGQ \
  | 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: 0df4f5c1150080128cfcafb2f2e5b9342f1a9ae893dee69f938cb9b0d722f207

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4c9a4402ed64b22375bda8eb5e29b452abf64c4427a2cd4a770f8344d6a0dfd",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-06-04T20:58:09Z",
    "title_canon_sha256": "364f649579aa9a647880c5de91b9fa63df9f435018ac58cceb8470b14767a2c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03255",
    "kind": "arxiv",
    "version": 2
  }
}