Pith Number

pith:WR2T4WBG

pith:2018:WR2T4WBGXZ64YPFNDAOF7VBENC

not attested not anchored not stored refs pending

When Regression Verification Meets CEGAR

Fei He, Liming Cai, Qianshan Yu

arxiv:1806.04829 v1 · 2018-06-13 · 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{WR2T4WBGXZ64YPFNDAOF7VBENC}

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	2026-05-18T00:13:20.770608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4753e5826be7dcc3cad181c5fd42468aef84b684fc61fd3416876b78c33eeef

Aliases

arxiv: 1806.04829 · arxiv_version: 1806.04829v1 · doi: 10.48550/arxiv.1806.04829 · pith_short_12: WR2T4WBGXZ64 · pith_short_16: WR2T4WBGXZ64YPFN · pith_short_8: WR2T4WBG

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/WR2T4WBGXZ64YPFNDAOF7VBENC \
  | 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: b4753e5826be7dcc3cad181c5fd42468aef84b684fc61fd3416876b78c33eeef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cf3e77cca3f96662053b476c8ef958de2928dcb931893ece5c2aa1e9be4cf5f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2018-06-13T02:50:50Z",
    "title_canon_sha256": "c69d88e86d59145fd6ce9dbe18a48db54eccaee1fdb6e673f009a8e039616a92"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04829",
    "kind": "arxiv",
    "version": 1
  }
}