Pith Number

pith:YHDD7NS6

pith:2018:YHDD7NS6TKRS6U37AUVQLQCO7G

not attested not anchored not stored refs pending

Containment of Shape Expression Schemas for RDF

Piotr Wieczorek, Slawek Staworko

arxiv:1803.07303 v3 · 2018-03-20 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YHDD7NS6TKRS6U37AUVQLQCO7G}

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	2026-05-18T00:20:13.327454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1c63fb65e9aa32f537f052b05c04ef9990259c5c8cda825641cbd18a6ffcae5

Aliases

arxiv: 1803.07303 · arxiv_version: 1803.07303v3 · doi: 10.48550/arxiv.1803.07303 · pith_short_12: YHDD7NS6TKRS · pith_short_16: YHDD7NS6TKRS6U37 · pith_short_8: YHDD7NS6

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/YHDD7NS6TKRS6U37AUVQLQCO7G \
  | 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: c1c63fb65e9aa32f537f052b05c04ef9990259c5c8cda825641cbd18a6ffcae5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b08050a657b99c0d3d90839ce0e2d663f95e46c0e15ed4e618f644d3c41dc5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-03-20T08:50:19Z",
    "title_canon_sha256": "a59f3f4456036feba317e30cdc7d40ec2f33622580924f854c3e20ca6851808e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07303",
    "kind": "arxiv",
    "version": 3
  }
}