Pith Number

pith:JW2WW3LI

pith:2025:JW2WW3LIF2GY3BYEP5WOV5QFNW

not attested not anchored not stored refs pending

SHACL-SKOS Based Knowledge Representation of Material Safety Data Sheet (SDS) for the Pharmaceutical Industry

Brian Lu, Dennis Pham, Michael Lovette, Stephen Ma, Terri Bui, Ti-Chiun Chang

arxiv:2502.07944 v1 · 2025-02-11 · 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{JW2WW3LIF2GY3BYEP5WOV5QFNW}

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	2026-07-05T10:13:12.622832Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4db56b6d682e8d8d87047f6ceaf6056dae2597eea2e0fe7c9e5c9636cad1d00c

Aliases

arxiv: 2502.07944 · arxiv_version: 2502.07944v1 · doi: 10.48550/arxiv.2502.07944 · pith_short_12: JW2WW3LIF2GY · pith_short_16: JW2WW3LIF2GY3BYE · pith_short_8: JW2WW3LI

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/JW2WW3LIF2GY3BYEP5WOV5QFNW \
  | 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: 4db56b6d682e8d8d87047f6ceaf6056dae2597eea2e0fe7c9e5c9636cad1d00c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e24ab64d67fcdb08b0555a24dc577f4895f499d9442219c5eb297b45a16da60",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2025-02-11T20:44:45Z",
    "title_canon_sha256": "e9238f0f26626729c78f4af1736441e114fa91ec00c9f7b3bf34da8f24019e62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07944",
    "kind": "arxiv",
    "version": 1
  }
}