Pith Number

pith:NCQCEA5M

pith:2016:NCQCEA5MLWAKCLN5SNKYJZBZI2

not attested not anchored not stored refs pending

Towards an Ontology-Driven Blockchain Design for Supply Chain Provenance

Henry M. Kim, Marek Laskowski

arxiv:1610.02922 v1 · 2016-08-28 · cs.CY · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCQCEA5MLWAKCLN5SNKYJZBZI2}

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	2026-05-18T01:02:50.412123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68a02203ac5d80a12dbd935584e439469f86e4f3956088e2580d1e3fd4fab70d

Aliases

arxiv: 1610.02922 · arxiv_version: 1610.02922v1 · doi: 10.48550/arxiv.1610.02922 · pith_short_12: NCQCEA5MLWAK · pith_short_16: NCQCEA5MLWAKCLN5 · pith_short_8: NCQCEA5M

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/NCQCEA5MLWAKCLN5SNKYJZBZI2 \
  | 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: 68a02203ac5d80a12dbd935584e439469f86e4f3956088e2580d1e3fd4fab70d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f15c01749d040be9422a0d692cf20f8e80fdc0bed89ffbc1031b18147cda2fe0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2016-08-28T19:37:00Z",
    "title_canon_sha256": "72245194edd1be06e82e66e4e36c42e1c9eca2b5d3cd6c14f4a2158153d37427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.02922",
    "kind": "arxiv",
    "version": 1
  }
}