Pith Number

pith:WOPINYEV

pith:2014:WOPINYEVB3WFSYOHZZIFR64CPZ

not attested not anchored not stored refs pending

Inferring Loop Invariants by Mutation, Dynamic Analysis, and Static Checking

Andreas Zeller, Carlo A. Furia, Eva May, Gordon Fraser, Juan P. Galeotti

arxiv:1407.5286 v4 · 2014-07-20 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WOPINYEVB3WFSYOHZZIFR64CPZ}

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	2026-05-18T01:21:13.846014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b39e86e0950eec5961c7ce5058fb827e693280b73fbddc7460fb2afb69fb2d3c

Aliases

arxiv: 1407.5286 · arxiv_version: 1407.5286v4 · doi: 10.48550/arxiv.1407.5286 · pith_short_12: WOPINYEVB3WF · pith_short_16: WOPINYEVB3WFSYOH · pith_short_8: WOPINYEV

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/WOPINYEVB3WFSYOHZZIFR64CPZ \
  | 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: b39e86e0950eec5961c7ce5058fb827e693280b73fbddc7460fb2afb69fb2d3c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54fd8ecb2f1564d09eee0f7d146fe866ccf322a57ec7742079030ae041551fae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2014-07-20T13:18:21Z",
    "title_canon_sha256": "2ff5d8e0d5e6a4b6bb8557ae05609e8188b7708776ab1835696659ecabd5854e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5286",
    "kind": "arxiv",
    "version": 4
  }
}