Pith Number

pith:PMBYCXQM

pith:2015:PMBYCXQMUKAQ4O4HWYGBWA4FTP

not attested not anchored not stored refs pending

A New Execution Model for the logic of hereditary Harrop formulas

Keehang Kwon

arxiv:1507.01771 v1 · 2015-07-07 · 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{PMBYCXQMUKAQ4O4HWYGBWA4FTP}

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	2026-05-18T01:37:12.445197Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b03815e0ca2810e3b87b60c1b03859be9396718ea468f42acc30979b996a56d

Aliases

arxiv: 1507.01771 · arxiv_version: 1507.01771v1 · doi: 10.48550/arxiv.1507.01771 · pith_short_12: PMBYCXQMUKAQ · pith_short_16: PMBYCXQMUKAQ4O4H · pith_short_8: PMBYCXQM

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/PMBYCXQMUKAQ4O4HWYGBWA4FTP \
  | 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: 7b03815e0ca2810e3b87b60c1b03859be9396718ea468f42acc30979b996a56d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dad67a3b77a7122dd7477cb26fb1c007f277354f37a3a2df2d9e09ffe6ae427f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-07-07T12:08:39Z",
    "title_canon_sha256": "a32a2e6d7f5bea31f779a2fc35cfe89956fb81f2d2eb25fcb62fcb204d3b3d9e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01771",
    "kind": "arxiv",
    "version": 1
  }
}