Pith Number

pith:W5NGNWEK

pith:2015:W5NGNWEK2ORZT53WIKRHDEEF4F

not attested not anchored not stored refs pending

A Symbolic Execution Algorithm for Constraint-Based Testing of Database Programs

Jean-Luc Hainaut, Micha\"el Marcozzi, Wim Vanhoof

arxiv:1501.05821 v1 · 2015-01-23 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W5NGNWEK2ORZT53WIKRHDEEF4F}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:28:48.892395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75a66d88ad3a399f77642a2719085e16c3d8115f5a704f6ec68b8226f3c604c

Aliases

arxiv: 1501.05821 · arxiv_version: 1501.05821v1 · doi: 10.48550/arxiv.1501.05821 · pith_short_12: W5NGNWEK2ORZ · pith_short_16: W5NGNWEK2ORZT53W · pith_short_8: W5NGNWEK

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/W5NGNWEK2ORZT53WIKRHDEEF4F \
  | 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: b75a66d88ad3a399f77642a2719085e16c3d8115f5a704f6ec68b8226f3c604c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28afe4564f11c7b8d546a5a71a72ba945731e6c9a6fa808e86331fb0c90362e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-01-23T15:07:50Z",
    "title_canon_sha256": "37536d8921924f1e2fc8c2efd508bab7610ecc16a6a9038f59447f0184561e66"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05821",
    "kind": "arxiv",
    "version": 1
  }
}