Pith Number

pith:OSCLH34W

pith:2019:OSCLH34W3BPPLCUMKKKLYRPFNJ

not attested not anchored not stored refs pending

Relational Verification via Invariant-Guided Synchronization

David Heath (Georgia Institute of Technology), Qi Zhou (Georgia Institute of Technology), William Harris (Galois Inc.)

arxiv:1907.03997 v1 · 2019-07-09 · 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{OSCLH34W3BPPLCUMKKKLYRPFNJ}

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	2026-05-17T23:41:06.071466Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7484b3ef96d85ef58a8c5294bc45e56a6fc2e2de23a2a7f2e51ddc130c1e2fa5

Aliases

arxiv: 1907.03997 · arxiv_version: 1907.03997v1 · doi: 10.48550/arxiv.1907.03997 · pith_short_12: OSCLH34W3BPP · pith_short_16: OSCLH34W3BPPLCUM · pith_short_8: OSCLH34W

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/OSCLH34W3BPPLCUMKKKLYRPFNJ \
  | 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: 7484b3ef96d85ef58a8c5294bc45e56a6fc2e2de23a2a7f2e51ddc130c1e2fa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae3c5d18586b5dc042372bf9893d83191b9bac0307f8c10646543c836a787b9f",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-07-09T06:02:04Z",
    "title_canon_sha256": "37948cebd12520158f68e144765d554926a6c0a98ea55fdb2c3fb8faac2a0183"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03997",
    "kind": "arxiv",
    "version": 1
  }
}