Pith Number

pith:6FHDY343

pith:2019:6FHDY343PVJUQSDLZPHTRR7OB6

not attested not anchored not stored refs pending

Modular Verification of Heap Reachability Properties in Separation Logic

Alexander J. Summers, Arshavir Ter-Gabrielyan, Peter M\"uller

arxiv:1908.05799 v1 · 2019-08-16 · cs.PL · 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{6FHDY343PVJUQSDLZPHTRR7OB6}

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	2026-07-04T23:57:53.299383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f14e3c6f9b7d5348486bcbcf38c7ee0f8855709fbc2835ddf62f3e424abc4a34

Aliases

arxiv: 1908.05799 · arxiv_version: 1908.05799v1 · doi: 10.48550/arxiv.1908.05799 · pith_short_12: 6FHDY343PVJU · pith_short_16: 6FHDY343PVJUQSDL · pith_short_8: 6FHDY343

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/6FHDY343PVJUQSDLZPHTRR7OB6 \
  | 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: f14e3c6f9b7d5348486bcbcf38c7ee0f8855709fbc2835ddf62f3e424abc4a34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5a44bcd8bc36855114352daebc7aba0cf143f99d45281c911bca191fa3a0cf6",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-08-16T00:18:43Z",
    "title_canon_sha256": "3eb5690af5e9234cab361fd36d422f9e985bb42ba794ffcf9bb0244c97d9f7c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05799",
    "kind": "arxiv",
    "version": 1
  }
}