Pith Number

pith:SWL5HCDN

pith:2019:SWL5HCDNTS5GKKLW5DEMQVLAKU

not attested not anchored not stored refs pending

On the validation of complex systems operating in open contexts

Alexander Poddey, Jan Erik Stellet, Tino Brade, Wolfgang Branz

arxiv:1902.10517 v1 · 2019-01-22 · 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{SWL5HCDNTS5GKKLW5DEMQVLAKU}

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.

Cited by

1 paper in Pith

On the importance of system-view centric validation for the design and operation of a crypto-based digital economy

Receipt and verification

First computed	2026-05-17T23:52:30.662985Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9597d3886d9cba652976e8c8c855605534db3a7fba1907dd2c5ac4b81c564209

Aliases

arxiv: 1902.10517 · arxiv_version: 1902.10517v1 · doi: 10.48550/arxiv.1902.10517 · pith_short_12: SWL5HCDNTS5G · pith_short_16: SWL5HCDNTS5GKKLW · pith_short_8: SWL5HCDN

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/SWL5HCDNTS5GKKLW5DEMQVLAKU \
  | 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: 9597d3886d9cba652976e8c8c855605534db3a7fba1907dd2c5ac4b81c564209

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01c6f01ad9fb2e7574274445426561728fb103aad06390e4d2b4c5e70ab14002",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-01-22T09:32:16Z",
    "title_canon_sha256": "2ae8d7cefbc98e5f6091a0dd7b086ec280a89be4266a5cea0713aeb856715131"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10517",
    "kind": "arxiv",
    "version": 1
  }
}