Pith Number

pith:IOCEM4L6

pith:2019:IOCEM4L6J4SIMP7HC4UXCUBNIS

not attested not anchored not stored refs pending

Space-Efficient Gradual Typing in Coercion-Passing Style

Atsushi Igarashi, Tomoya Tabuchi, Yuya Tsuda

arxiv:1908.02414 v2 · 2019-08-07 · 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{IOCEM4L6J4SIMP7HC4UXCUBNIS}

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	2026-07-05T01:50:15.554834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

438446717e4f24863fe7172971502d44be7869fff65274c77ee4e6b9146525fc

Aliases

arxiv: 1908.02414 · arxiv_version: 1908.02414v2 · doi: 10.48550/arxiv.1908.02414 · pith_short_12: IOCEM4L6J4SI · pith_short_16: IOCEM4L6J4SIMP7H · pith_short_8: IOCEM4L6

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/IOCEM4L6J4SIMP7HC4UXCUBNIS \
  | 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: 438446717e4f24863fe7172971502d44be7869fff65274c77ee4e6b9146525fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dd93a66bc0855fe9056649c100557ca3688ef4d3834520a88e215e066a08b3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-08-07T01:40:24Z",
    "title_canon_sha256": "45826e91b91c9fcdfd01adaf0f536fa7c3d94fe464bf0bb0e88bbbf60400f7a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02414",
    "kind": "arxiv",
    "version": 2
  }
}