Pith Number

pith:W5UWZPWJ

pith:2019:W5UWZPWJ62PW5LYVVS2XJKIN6S

not attested not anchored not stored refs pending

Truffle tests for free -- Replaying Ethereum smart contracts for transparency

Mark van Staalduinen, Pieter Hartel

arxiv:1907.09208 v1 · 2019-07-22 · 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{W5UWZPWJ62PW5LYVVS2XJKIN6S}

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	2026-05-17T23:39:59.825133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7696cbec9f69f6eaf15acb574a90df48f9c1d488acf593990a0479767b1ca58

Aliases

arxiv: 1907.09208 · arxiv_version: 1907.09208v1 · doi: 10.48550/arxiv.1907.09208 · pith_short_12: W5UWZPWJ62PW · pith_short_16: W5UWZPWJ62PW5LYV · pith_short_8: W5UWZPWJ

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/W5UWZPWJ62PW5LYVVS2XJKIN6S \
  | 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: b7696cbec9f69f6eaf15acb574a90df48f9c1d488acf593990a0479767b1ca58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "80536e7d370c6b13946a1fcc4fe1d31db741eb98578d78df565ef5a4efd20fae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-07-22T10:03:23Z",
    "title_canon_sha256": "729e7830574d65bf8564ef63a846171307be10dc4256b35ef5babbd672d96492"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.09208",
    "kind": "arxiv",
    "version": 1
  }
}