Pith Number

pith:E7TK7CQD

pith:2016:E7TK7CQD6WVFAWPOZW7U5E3GYT

not attested not anchored not stored refs pending

Close Encounters of the Higher Kind Emulating Constructor Classes in Standard ML

Liam O'Connor, Yutaka Nagashima

arxiv:1608.03350 v1 · 2016-08-11 · 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{E7TK7CQD6WVFAWPOZW7U5E3GYT}

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	2026-05-18T01:09:29.100334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27e6af8a03f5aa5059eecdbf4e9366c4c090414cf5e14183dfb0f32b20ca479d

Aliases

arxiv: 1608.03350 · arxiv_version: 1608.03350v1 · doi: 10.48550/arxiv.1608.03350 · pith_short_12: E7TK7CQD6WVF · pith_short_16: E7TK7CQD6WVFAWPO · pith_short_8: E7TK7CQD

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/E7TK7CQD6WVFAWPOZW7U5E3GYT \
  | 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: 27e6af8a03f5aa5059eecdbf4e9366c4c090414cf5e14183dfb0f32b20ca479d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "132459f748e9aa87da19fae0e5be5b476b1d7004ddd9fef2a6d1ea4ffcfe3b35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-08-11T02:17:09Z",
    "title_canon_sha256": "872fe5295e96c9e666052cc55a608068c18e0a9f05fc444723940c6d19813016"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03350",
    "kind": "arxiv",
    "version": 1
  }
}