Pith Number

pith:4GCPF5TW

pith:2026:4GCPF5TWNRTXQ5OVLDINZXJDGX

not attested not anchored not stored refs pending

VirtualSet: Typed Ontology Worlds as an LLM Generation Target for Grounded Queries and Guarded Decisions

Qunhui Zhang

arxiv:2607.18821 v1 · 2026-07-21 · 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{4GCPF5TWNRTXQ5OVLDINZXJDGX}

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.

Cited by

1 paper in Pith

Generic Constraints Projection: Four-Dimensional Type Inference for Dynamic Languages

Receipt and verification

First computed	2026-07-22T01:23:14.412704Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e184f2f6766c677875d558d0dcdd2335dd5edd6c4fbfe607d04e1fb824c0c12e

Aliases

arxiv: 2607.18821 · arxiv_version: 2607.18821v1 · doi: 10.48550/arxiv.2607.18821 · pith_short_12: 4GCPF5TWNRTX · pith_short_16: 4GCPF5TWNRTXQ5OV · pith_short_8: 4GCPF5TW

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/4GCPF5TWNRTXQ5OVLDINZXJDGX \
  | 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: e184f2f6766c677875d558d0dcdd2335dd5edd6c4fbfe607d04e1fb824c0c12e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e6034d7dac89df0cbf05fa572d23d3f4d466b17bcaf893678ba7dd6192e0dd9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-07-21T07:57:17Z",
    "title_canon_sha256": "1db8c3e8943de04f1356ae7fb31d1b708027cf7790dd5ed7170b4ea43e61d95c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18821",
    "kind": "arxiv",
    "version": 1
  }
}