Pith Number

pith:ZXISGE2I

pith:2017:ZXISGE2ILFZLUSRO3FC2KXG2ZE

not attested not anchored not stored refs pending

Higher-Order Constrained Horn Clauses and Refinement Types

C.-H. Luke Ong, Steven J. Ramsay, Toby Cathcart Burn

arxiv:1705.06216 v2 · 2017-05-17 · cs.PL · 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{ZXISGE2ILFZLUSRO3FC2KXG2ZE}

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	2026-05-18T00:39:06.505321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdd12313485972ba4a2ed945a55cdac934802e29120aa05d7128cdb299d731a6

Aliases

arxiv: 1705.06216 · arxiv_version: 1705.06216v2 · doi: 10.48550/arxiv.1705.06216 · pith_short_12: ZXISGE2ILFZL · pith_short_16: ZXISGE2ILFZLUSRO · pith_short_8: ZXISGE2I

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/ZXISGE2ILFZLUSRO3FC2KXG2ZE \
  | 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: cdd12313485972ba4a2ed945a55cdac934802e29120aa05d7128cdb299d731a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce3c3066631b887745c07888f48ec8cff54c098b17cecadc57038b55e8c2e90",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-05-17T15:36:22Z",
    "title_canon_sha256": "8d2805675dceecc929adbe247ba1dc1a26ceefa1fec56825bdf74430555fc43b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06216",
    "kind": "arxiv",
    "version": 2
  }
}