Pith Number

pith:7VVXRQWD

pith:2018:7VVXRQWDDYC5BH3BV7ECBLCBDE

not attested not anchored not stored refs pending

User Blocking Considered Harmful? An Attacker-controllable Side Channel to Identify Social Accounts

Eitaro Shioji, Keito Sasaoka, Mitsuaki Akiyama, Takeshi Yagi, Takuya Watanabe, Tatsuya Mori

arxiv:1805.05085 v1 · 2018-05-14 · cs.CR · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7VVXRQWDDYC5BH3BV7ECBLCBDE}

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	2026-05-18T00:16:03.915748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd6b78c2c31e05d09f61afc820ac4119240cc14f38640811b7fa6834fa5c2925

Aliases

arxiv: 1805.05085 · arxiv_version: 1805.05085v1 · doi: 10.48550/arxiv.1805.05085 · pith_short_12: 7VVXRQWDDYC5 · pith_short_16: 7VVXRQWDDYC5BH3B · pith_short_8: 7VVXRQWD

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/7VVXRQWDDYC5BH3BV7ECBLCBDE \
  | 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: fd6b78c2c31e05d09f61afc820ac4119240cc14f38640811b7fa6834fa5c2925

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0aa36c87605929dfbc667a5153355e16015833ba4932ec5cf5f4d9e1952ec077",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-05-14T09:37:59Z",
    "title_canon_sha256": "db404c8eb8e75e720693af04ed79eec617d185ee8a6cc9afafa64f51ef5b7857"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05085",
    "kind": "arxiv",
    "version": 1
  }
}