Pith Number

pith:IRSWZVTF

pith:2017:IRSWZVTFJRH77D7V7OD7EO7D5J

not attested not anchored not stored refs pending

The Meaning of Memory Safety

Arthur Azevedo de Amorim, Benjamin C. Pierce, Catalin Hritcu

arxiv:1705.07354 v3 · 2017-05-20 · cs.PL · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IRSWZVTFJRH77D7V7OD7EO7D5J}

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	2026-05-18T00:19:04.080414Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44656cd6654c4fff8ff5fb87f23be3ea7f9118266c432efbc451a01d5ed6f7ff

Aliases

arxiv: 1705.07354 · arxiv_version: 1705.07354v3 · doi: 10.48550/arxiv.1705.07354 · pith_short_12: IRSWZVTFJRH7 · pith_short_16: IRSWZVTFJRH77D7V · pith_short_8: IRSWZVTF

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/IRSWZVTFJRH77D7V7OD7EO7D5J \
  | 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: 44656cd6654c4fff8ff5fb87f23be3ea7f9118266c432efbc451a01d5ed6f7ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b00e55786194c61659270a1d0961f75404cb12128b3c37799d79b2a5ed2b0c2",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-05-20T20:08:30Z",
    "title_canon_sha256": "b7703343a39019b063afd851eaab839c4da281873681d7ca93de7fca86c6c353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.07354",
    "kind": "arxiv",
    "version": 3
  }
}