Pith Number

pith:Q3ZVSJEM

pith:2018:Q3ZVSJEMC75ZN57NPCGB5HXKUZ

not attested not anchored not stored refs pending

To Memory Safety through Proofs

Dengping Zhu, Hongwei Xi

arxiv:1810.12190 v1 · 2018-10-29 · 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{Q3ZVSJEMC75ZN57NPCGB5HXKUZ}

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	2026-05-18T00:02:03.993395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86f359248c17fb96f7ed788c1e9eeaa66bb4446124d47276b8d17097659d65b7

Aliases

arxiv: 1810.12190 · arxiv_version: 1810.12190v1 · doi: 10.48550/arxiv.1810.12190 · pith_short_12: Q3ZVSJEMC75Z · pith_short_16: Q3ZVSJEMC75ZN57N · pith_short_8: Q3ZVSJEM

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/Q3ZVSJEMC75ZN57NPCGB5HXKUZ \
  | 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: 86f359248c17fb96f7ed788c1e9eeaa66bb4446124d47276b8d17097659d65b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a333d9c63d8c2b76b8d0fe381fdbf37de324bc4a9e7c505f93058e4f667a00c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-10-29T15:29:24Z",
    "title_canon_sha256": "47c16e186d5031f52e57076de48fed920ea81a28406472b5e18dee9b1436a9d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12190",
    "kind": "arxiv",
    "version": 1
  }
}