Pith Number

pith:CVVJJ4HG

pith:2019:CVVJJ4HGVJWZ5AH67MNKJBBRMW

not attested not anchored not stored refs pending

Specifying verified x86 software from scratch

Mario Carneiro

arxiv:1907.01283 v1 · 2019-07-02 · 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{CVVJJ4HGVJWZ5AH67MNKJBBRMW}

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	2026-05-17T23:41:40.796119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

156a94f0e6aa6d9e80fefb1aa4843165b29b62e92480b58c765459130496d746

Aliases

arxiv: 1907.01283 · arxiv_version: 1907.01283v1 · doi: 10.48550/arxiv.1907.01283 · pith_short_12: CVVJJ4HGVJWZ · pith_short_16: CVVJJ4HGVJWZ5AH6 · pith_short_8: CVVJJ4HG

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/CVVJJ4HGVJWZ5AH67MNKJBBRMW \
  | 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: 156a94f0e6aa6d9e80fefb1aa4843165b29b62e92480b58c765459130496d746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e76bed89e25735ddf6f4ba5fdc7e723dce6bc6321f8f522d74d71f5bd8ab892c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-07-02T10:26:10Z",
    "title_canon_sha256": "828e47494224b177dd8aa132e8382ff16b2091018c4e874b5bc0c2c4443c40f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.01283",
    "kind": "arxiv",
    "version": 1
  }
}