Pith Number

pith:SEG3WFK5

pith:2023:SEG3WFK5QHUBRS2HHS7V7DUAZC

not attested not anchored not stored refs pending

The Usability of Advanced Type Systems: Rust as a Case Study

Kasra Ferdowsi

arxiv:2301.02308 v1 · 2023-01-05 · cs.PL · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEG3WFK5QHUBRS2HHS7V7DUAZC}

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	2026-07-05T05:31:05.145998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

910dbb155d81e818cb473cbf5f8e80c8b792f3819b305af6c5750dde46079fa2

Aliases

arxiv: 2301.02308 · arxiv_version: 2301.02308v1 · doi: 10.48550/arxiv.2301.02308 · pith_short_12: SEG3WFK5QHUB · pith_short_16: SEG3WFK5QHUBRS2H · pith_short_8: SEG3WFK5

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/SEG3WFK5QHUBRS2HHS7V7DUAZC \
  | 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: 910dbb155d81e818cb473cbf5f8e80c8b792f3819b305af6c5750dde46079fa2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "161dc957aeb6026b69e6316931d1ef5c1cd3217bdcb42082f5291d8b5918ac9f",
    "cross_cats_sorted": [
      "cs.HC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2023-01-05T21:47:04Z",
    "title_canon_sha256": "7510e3d6fa61768328132723e2641dd33a76694c45f6a2d9b385556b5cd73c43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.02308",
    "kind": "arxiv",
    "version": 1
  }
}