Pith Number

pith:S5RWLABI

pith:2017:S5RWLABIA4WDWBQAEVYCKTLRF3

not attested not anchored not stored refs pending

A Weakest Pre-Expectation Semantics for Mixed-Sign Expectations

Benjamin Lucien Kaminski, Joost-Pieter Katoen

arxiv:1703.07682 v2 · 2017-03-22 · cs.LO · 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{S5RWLABIA4WDWBQAEVYCKTLRF3}

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	2026-05-18T00:46:12.146971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9763658028072c3b06002570254d712ed898d100cf170d0305b2383d5918fcc6

Aliases

arxiv: 1703.07682 · arxiv_version: 1703.07682v2 · doi: 10.48550/arxiv.1703.07682 · pith_short_12: S5RWLABIA4WD · pith_short_16: S5RWLABIA4WDWBQA · pith_short_8: S5RWLABI

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/S5RWLABIA4WDWBQAEVYCKTLRF3 \
  | 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: 9763658028072c3b06002570254d712ed898d100cf170d0305b2383d5918fcc6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0439a9fbbec93309b2a74078ea1d3213c914183245028e14940fc9b9ea26be3a",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-03-22T14:42:11Z",
    "title_canon_sha256": "16e94205e3e8a5fe173af2bac2cd1dc97df646aaa479506b2d56833f8695a091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07682",
    "kind": "arxiv",
    "version": 2
  }
}