pith. sign in
Pith Number

pith:6NLXHKPL

pith:2013:6NLXHKPL5MQFOU2WKXE4WWFSYF
not attested not anchored not stored refs pending

The Anatomy of Web Censorship in Pakistan

Zubair Nabi

arxiv:1307.1144 v1 · 2013-07-03 · cs.CY

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6NLXHKPL5MQFOU2WKXE4WWFSYF}

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 2026-05-18T03:19:14.603218Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f35773a9ebeb2057535655c9cb58b2c170538ffaa9aad7f81603d86529e500aa

Aliases

arxiv: 1307.1144 · arxiv_version: 1307.1144v1 · doi: 10.48550/arxiv.1307.1144 · pith_short_12: 6NLXHKPL5MQF · pith_short_16: 6NLXHKPL5MQFOU2W · pith_short_8: 6NLXHKPL
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6NLXHKPL5MQFOU2WKXE4WWFSYF \
  | 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: f35773a9ebeb2057535655c9cb58b2c170538ffaa9aad7f81603d86529e500aa
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3077c6cd9cd95aaa35442854b568bd15de5b2697551079d3df8f0ef08df738bf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2013-07-03T20:15:35Z",
    "title_canon_sha256": "982829bd8b2ae05895e009d90aa5b6ed26dac8fe1e9842b6f0cc394dc66f7350"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1144",
    "kind": "arxiv",
    "version": 1
  }
}