Pith Number

pith:CE67ECMZ

pith:2019:CE67ECMZZCCHXCS44SWU2SRYY3

not attested not anchored not stored refs pending

VeriSmart: A Highly Precise Safety Verifier for Ethereum Smart Contracts

Hakjoo Oh, Heejo Lee, Jisu Park, Myungho Lee, Sunbeom So

arxiv:1908.11227 v2 · 2019-08-29 · cs.PL · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CE67ECMZZCCHXCS44SWU2SRYY3}

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	2026-07-05T00:00:35.524398Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

113df20999c8847b8a5ce4ad4d4a38c6ed2a03cd6b4803ee4578d843442230a0

Aliases

arxiv: 1908.11227 · arxiv_version: 1908.11227v2 · doi: 10.48550/arxiv.1908.11227 · pith_short_12: CE67ECMZZCCH · pith_short_16: CE67ECMZZCCHXCS4 · pith_short_8: CE67ECMZ

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/CE67ECMZZCCHXCS44SWU2SRYY3 \
  | 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: 113df20999c8847b8a5ce4ad4d4a38c6ed2a03cd6b4803ee4578d843442230a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09c7cc242d3a7e8dc6c17d1c601a88bffb5adbbe9448c5a6e79f22cfc057ee38",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-08-29T13:51:34Z",
    "title_canon_sha256": "5048e40e42ef5e3dbe149b20dff165172566362d2cce48a2af0c0f37ccf756c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11227",
    "kind": "arxiv",
    "version": 2
  }
}