Pith Number

pith:UBSZKWG3

pith:2022:UBSZKWG3ZDF33MMZQN3URICSW6

not attested not anchored not stored refs pending

Foundations for Entailment Checking in Quantitative Separation Logic (extended version)

Christoph Matheja, Florian Ke{\ss}ler, Ira Fesefeldt, Joost-Pieter Katoen, Kevin Batz, Marvin Jansen, Thomas Noll

arxiv:2201.11464 v1 · 2022-01-27 · 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{UBSZKWG3ZDF33MMZQN3URICSW6}

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	2026-07-05T03:52:02.551922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0659558dbc8cbbdb199837748a052b784b1263bd9da65a113cee2cca9ff4c23

Aliases

arxiv: 2201.11464 · arxiv_version: 2201.11464v1 · doi: 10.48550/arxiv.2201.11464 · pith_short_12: UBSZKWG3ZDF3 · pith_short_16: UBSZKWG3ZDF33MMZ · pith_short_8: UBSZKWG3

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/UBSZKWG3ZDF33MMZQN3URICSW6 \
  | 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: a0659558dbc8cbbdb199837748a052b784b1263bd9da65a113cee2cca9ff4c23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34e47d2a469320512fdd3a1cb5eb65c7ea4f4e88d088912e4ae5c81e0d8ec6ba",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2022-01-27T12:07:06Z",
    "title_canon_sha256": "d94789360cc90673545c6264681c4a5933a6e0e7672226e8513c719ad35b82b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.11464",
    "kind": "arxiv",
    "version": 1
  }
}