Pith Number

pith:LO6NZUQL

pith:2019:LO6NZUQLE6ICZ7KVHJXH7IAI5V

not attested not anchored not stored refs pending

Sound Invariant Checking Using Type Modifiers and Object Capabilities

Alex Potanin, Isaac Oscar Gariano, Marco Servetto

arxiv:1902.10231 v1 · 2019-02-26 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LO6NZUQLE6ICZ7KVHJXH7IAI5V}

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	2026-05-17T23:52:31.417203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5bbcdcd20b27902cfd553a6e7fa008ed48a9b5a7ff9b9c8fd525d0a83b0e0c97

Aliases

arxiv: 1902.10231 · arxiv_version: 1902.10231v1 · doi: 10.48550/arxiv.1902.10231 · pith_short_12: LO6NZUQLE6IC · pith_short_16: LO6NZUQLE6ICZ7KV · pith_short_8: LO6NZUQL

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/LO6NZUQLE6ICZ7KVHJXH7IAI5V \
  | 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: 5bbcdcd20b27902cfd553a6e7fa008ed48a9b5a7ff9b9c8fd525d0a83b0e0c97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f9188db82c30a583311c94023ca664cebe4763b2a20f5c32b00acf2ed719b2d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-02-26T21:24:17Z",
    "title_canon_sha256": "d199aa852c077d2b6f666f0da93d50a3f6e40d1406bae5248e23a0b01c87082a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10231",
    "kind": "arxiv",
    "version": 1
  }
}