Pith Number

pith:4YIHORFA

pith:2019:4YIHORFAPRBYFNKXXKSCZIHIQG

not attested not anchored not stored refs pending

Dynamically Allocated Memory Verification in Object-Oriented Programs using Prolog

Ren\'e Haberland, Sergey Ivanovskiy

arxiv:1906.02808 v1 · 2019-06-06 · cs.LO · cs.FL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YIHORFAPRBYFNKXXKSCZIHIQG}

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	2026-05-17T23:43:57.475908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6107744a07c4382b557baa42ca0e881930dc7fcf770fbf1d6ecc8ac4e939191

Aliases

arxiv: 1906.02808 · arxiv_version: 1906.02808v1 · doi: 10.48550/arxiv.1906.02808 · pith_short_12: 4YIHORFAPRBY · pith_short_16: 4YIHORFAPRBYFNKX · pith_short_8: 4YIHORFA

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/4YIHORFAPRBYFNKXXKSCZIHIQG \
  | 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: e6107744a07c4382b557baa42ca0e881930dc7fcf770fbf1d6ecc8ac4e939191

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2385b5efdaa63faa51bc371780d02615aba768985c47d11676c1af71e7fb468",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-06-06T20:57:53Z",
    "title_canon_sha256": "013127b921342d3a0427c41f3422e238408de2d74a77d1704551419cf1254c25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02808",
    "kind": "arxiv",
    "version": 1
  }
}