Pith Number

pith:OSCNDTZJ

pith:2014:OSCNDTZJI6H3MFYZ457CFKL5YA

not attested not anchored not stored refs pending

On the equivalence of state transformer semantics and predicate transformer semantics

Klaus Keimel

arxiv:1410.7930 v1 · 2014-10-29 · 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{OSCNDTZJI6H3MFYZ457CFKL5YA}

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	2026-05-18T02:39:07.827954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7484d1cf29478fb61719e77e22a97dc008508b38b88e1ce8bc33fac969452ead

Aliases

arxiv: 1410.7930 · arxiv_version: 1410.7930v1 · doi: 10.48550/arxiv.1410.7930 · pith_short_12: OSCNDTZJI6H3 · pith_short_16: OSCNDTZJI6H3MFYZ · pith_short_8: OSCNDTZJ

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/OSCNDTZJI6H3MFYZ457CFKL5YA \
  | 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: 7484d1cf29478fb61719e77e22a97dc008508b38b88e1ce8bc33fac969452ead

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f6dd380e738cd7fd96f0ad85556189ede49415ae2cff8a5ff4aa490297f1617",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-10-29T10:56:58Z",
    "title_canon_sha256": "a938283af7873a554a4dd952e05468a3e13e43c1ac9ff7afafdf7ca0735b8d88"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.7930",
    "kind": "arxiv",
    "version": 1
  }
}