Pith Number

pith:PRRH652K

pith:2026:PRRH652KUOHG7KGCRH7QHXEHPS

not attested not anchored not stored refs pending

Big-step and small-step Horn clause derivations applied to operational semantics

John P. Gallagher, Jos\'e Morales, Louis Rustenholz, Manuel Hermenegildo, Pedro Lopez-Garcia

arxiv:2606.20944 v1 · 2026-06-18 · 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{PRRH652KUOHG7KGCRH7QHXEHPS}

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	2026-06-23T01:12:22.790139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c627f774aa38e6fa8c289ff03dc877c896aeb904b019396dfe1f6ffa1d41974

Aliases

arxiv: 2606.20944 · arxiv_version: 2606.20944v1 · doi: 10.48550/arxiv.2606.20944 · pith_short_12: PRRH652KUOHG · pith_short_16: PRRH652KUOHG7KGC · pith_short_8: PRRH652K

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/PRRH652KUOHG7KGCRH7QHXEHPS \
  | 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: 7c627f774aa38e6fa8c289ff03dc877c896aeb904b019396dfe1f6ffa1d41974

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9682bf04905f24c815f25fd635f4af28ceca09fa058cd2dfe4153beb530fec53",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2026-06-18T21:16:59Z",
    "title_canon_sha256": "b222c7b5f5940d9781fe02c02b1a706e77ef3f05639e0559c4c45914f9701fe7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20944",
    "kind": "arxiv",
    "version": 1
  }
}