Pith Number

pith:KYUSLLRR

pith:2019:KYUSLLRR5CD6IKAESGFH6CPLPW

not attested not anchored not stored refs pending

Invariant Detection with Program Verification Tools

Wei He

arxiv:1906.11929 v1 · 2019-06-27 · 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{KYUSLLRR5CD6IKAESGFH6CPLPW}

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	2026-05-17T23:42:01.578572Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

562925ae31e887e42804918a7f09eb7d9e6cf9f2a60cf91ccdda27e564f191bf

Aliases

arxiv: 1906.11929 · arxiv_version: 1906.11929v1 · doi: 10.48550/arxiv.1906.11929 · pith_short_12: KYUSLLRR5CD6 · pith_short_16: KYUSLLRR5CD6IKAE · pith_short_8: KYUSLLRR

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/KYUSLLRR5CD6IKAESGFH6CPLPW \
  | 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: 562925ae31e887e42804918a7f09eb7d9e6cf9f2a60cf91ccdda27e564f191bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95b0f6872e3e6d986d3db4c4f82b22810f4f084d10de9b59ebf7f7cf97502647",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-06-27T19:37:49Z",
    "title_canon_sha256": "61bebcfe762264ce5493831c9857bc618c65c3d785bebde679314829fc1e7039"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.11929",
    "kind": "arxiv",
    "version": 1
  }
}