Pith Number

pith:VNNIFYSJ

pith:2018:VNNIFYSJWHX6SZ7MOIOFUKPRCU

not attested not anchored not stored refs pending

Towards Safer Smart Contracts: A Survey of Languages and Verification Methods

Dominik Harz, William Knottenbelt

arxiv:1809.09805 v4 · 2018-09-26 · 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{VNNIFYSJWHX6SZ7MOIOFUKPRCU}

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	2026-05-18T00:01:48.630682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab5a82e249b1efe967ec721c5a29f1150c57224a11aaa9191d857c2a274c97b1

Aliases

arxiv: 1809.09805 · arxiv_version: 1809.09805v4 · doi: 10.48550/arxiv.1809.09805 · pith_short_12: VNNIFYSJWHX6 · pith_short_16: VNNIFYSJWHX6SZ7M · pith_short_8: VNNIFYSJ

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/VNNIFYSJWHX6SZ7MOIOFUKPRCU \
  | 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: ab5a82e249b1efe967ec721c5a29f1150c57224a11aaa9191d857c2a274c97b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0448cfc95a7f1338ce04da0145c6f285acf7de2c99bcab211cb5974e1f5cfce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-09-26T04:41:34Z",
    "title_canon_sha256": "b76a2243b42f594eb5404913704ffbb8d1d9e6bf4992d43cbc19fa14a278e130"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09805",
    "kind": "arxiv",
    "version": 4
  }
}