Pith Number

pith:3RYP737E

pith:2017:3RYP737E2TWEXG7LIYD62RMHQN

not attested not anchored not stored refs pending

A Co-contextual Type Checker for Featherweight Java (incl. Proofs)

Andi Bejleri, Edlira Kuci, Mira Mezini, Oliver Bra\v{c}evac, Sebastian Erdweg

arxiv:1705.05828 v2 · 2017-05-16 · 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{3RYP737E2TWEXG7LIYD62RMHQN}

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	2026-05-18T00:15:10.399271Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc70ffefe4d4ec4b9beb4607ed458783457797a470d044f43b6a6b81a31a3b14

Aliases

arxiv: 1705.05828 · arxiv_version: 1705.05828v2 · doi: 10.48550/arxiv.1705.05828 · pith_short_12: 3RYP737E2TWE · pith_short_16: 3RYP737E2TWEXG7L · pith_short_8: 3RYP737E

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/3RYP737E2TWEXG7LIYD62RMHQN \
  | 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: dc70ffefe4d4ec4b9beb4607ed458783457797a470d044f43b6a6b81a31a3b14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d556419ed0771337e426b454f8d97c91168145f240aa5cc0f9662a25c67a80d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-05-16T17:59:40Z",
    "title_canon_sha256": "7c3f288809fc8d68f7d88ca0ba3b0104eecd11800746bf394b2263937cafb125"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.05828",
    "kind": "arxiv",
    "version": 2
  }
}