Pith Number

pith:FVDWGRFX

pith:2018:FVDWGRFX3VN66AAHRCIP4HJDZI

not attested not anchored not stored refs pending

Analyzing Privacy Policies Using Contextual Integrity Annotations

Helen Nissenbaum, Nick Feamster, Noah Apthorpe, Yan Shvartzshnaider

arxiv:1809.02236 v1 · 2018-09-06 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FVDWGRFX3VN66AAHRCIP4HJDZI}

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	2026-05-18T00:06:17.601420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d476344b7dd5bef00078890fe1d23ca278d50110bb1ae1167c583ccf5535acc

Aliases

arxiv: 1809.02236 · arxiv_version: 1809.02236v1 · doi: 10.48550/arxiv.1809.02236 · pith_short_12: FVDWGRFX3VN6 · pith_short_16: FVDWGRFX3VN66AAH · pith_short_8: FVDWGRFX

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/FVDWGRFX3VN66AAHRCIP4HJDZI \
  | 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: 2d476344b7dd5bef00078890fe1d23ca278d50110bb1ae1167c583ccf5535acc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b96e1ed7be0e457ceb69560db9a100dee97b8b8211f9d4ddd8d1c0a6999444a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-09-06T22:09:42Z",
    "title_canon_sha256": "49abc4b3dba83335170cd0b8bf47dbe5b931a9d5ab9a2ab883eec930690e6e40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.02236",
    "kind": "arxiv",
    "version": 1
  }
}