Pith Number

pith:VILRX56W

pith:2025:VILRX56WWFOKRBZDC2GJNVUKXK

not attested not anchored not stored refs pending

Master Thesis Impredicative Encodings of Inductive and Coinductive Types

Herman Geuvers, Niels van der Weide, Steven Bronsveld

arxiv:2505.13495 v1 · 2025-05-15 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VILRX56WWFOKRBZDC2GJNVUKXK}

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	2026-07-05T11:05:46.848680Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa171bf7d6b15ca88723168c96d68aba8e9f0e26e4ea8294060e98130bb75e1a

Aliases

arxiv: 2505.13495 · arxiv_version: 2505.13495v1 · doi: 10.48550/arxiv.2505.13495 · pith_short_12: VILRX56WWFOK · pith_short_16: VILRX56WWFOKRBZD · pith_short_8: VILRX56W

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/VILRX56WWFOKRBZDC2GJNVUKXK \
  | 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: aa171bf7d6b15ca88723168c96d68aba8e9f0e26e4ea8294060e98130bb75e1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "865e6c188955c18b413a563377c1ebe7b6eb1074280fda27fc08438beae73fb6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2025-05-15T11:27:32Z",
    "title_canon_sha256": "666b06bd81150cfbc2be84663232f30d702b9e820f6d18be0423dc087af5e4cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.13495",
    "kind": "arxiv",
    "version": 1
  }
}