Pith Number

pith:NPLJK3VB

pith:2019:NPLJK3VBMCHVYPYPNT44XP5HM6

not attested not anchored not stored refs pending

Duet: An Expressive Higher-order Language and Linear Type System for Statically Enforcing Differential Privacy

Alex Shan, Chike Abuah, David Darais, Dawn Song, Joseph P. Near, Lun Wang, Mu Zhang, Neel Somani, Nikhil Sharma, Pranav Gaddamadugu, Tim Stevens

arxiv:1909.02481 v1 · 2019-09-05 · cs.PL · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NPLJK3VBMCHVYPYPNT44XP5HM6}

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	2026-07-05T00:02:35.127904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd6956ea1608f5c3f0f6cf9cbbfa767bf82aebbd9afeadf8e0fb2d9a09776bf

Aliases

arxiv: 1909.02481 · arxiv_version: 1909.02481v1 · doi: 10.48550/arxiv.1909.02481 · pith_short_12: NPLJK3VBMCHV · pith_short_16: NPLJK3VBMCHVYPYP · pith_short_8: NPLJK3VB

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/NPLJK3VBMCHVYPYPNT44XP5HM6 \
  | 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: 6bd6956ea1608f5c3f0f6cf9cbbfa767bf82aebbd9afeadf8e0fb2d9a09776bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "903af6ded1474e5437de83d72511a150fb0313fc87029dd020c012aa1ac8aea1",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-09-05T15:35:07Z",
    "title_canon_sha256": "d9d9827646a28c14cf7dd5260e900b5706ffbcef407412b016702e83e53225a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02481",
    "kind": "arxiv",
    "version": 1
  }
}