Pith Number

pith:KDI2IGTL

pith:2021:KDI2IGTLDQGGQC4DG7NDVEO4GI

not attested not anchored not stored refs pending

An Overview of Ontologies and Tool Support for COVID-19 Analytics

Aakash Ahmad, Giancarlo Guizzardi, Henderik A. Proper, Jeffrey Soar, Madhushi Bandara, Mahdi Fahmideh

arxiv:2110.06397 v1 · 2021-10-12 · cs.SE · cs.CL · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KDI2IGTLDQGGQC4DG7NDVEO4GI}

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	2026-07-05T03:22:25.100297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50d1a41a6b1c0c680b8337da3a91dc32163f91df3ffe19c88e5b7c2a5b5cb376

Aliases

arxiv: 2110.06397 · arxiv_version: 2110.06397v1 · doi: 10.48550/arxiv.2110.06397 · pith_short_12: KDI2IGTLDQGG · pith_short_16: KDI2IGTLDQGGQC4D · pith_short_8: KDI2IGTL

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/KDI2IGTLDQGGQC4DG7NDVEO4GI \
  | 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: 50d1a41a6b1c0c680b8337da3a91dc32163f91df3ffe19c88e5b7c2a5b5cb376

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f298352f132bc509bb12e207d2bf37d28b3215051408ce2bb0c01d0f92cf844c",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.SC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2021-10-12T23:20:37Z",
    "title_canon_sha256": "921cf4e173c87d52f2657542e548b408d5e9de2cc688b1277360987b9c36b2fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.06397",
    "kind": "arxiv",
    "version": 1
  }
}