Pith Number

pith:IX3YC5BY

pith:2022:IX3YC5BYKCJ7XUBW4AZBYKVXED

not attested not anchored not stored refs pending

Sharing Linkable Learning Objects with the use of Metadata and a Taxonomy Assistant for Categorization

Damiano Perri, Sergio Tasso, Simonetta Pallottelli, Valentina Franzoni

arxiv:2212.05947 v1 · 2022-12-09 · cs.OH · 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{IX3YC5BYKCJ7XUBW4AZBYKVXED}

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	2026-07-05T05:24:21.206707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45f78174385093fbd036e0321c2ab720e7d48f502b44f16bff5f07747ba3c692

Aliases

arxiv: 2212.05947 · arxiv_version: 2212.05947v1 · doi: 10.48550/arxiv.2212.05947 · pith_short_12: IX3YC5BYKCJ7 · pith_short_16: IX3YC5BYKCJ7XUBW · pith_short_8: IX3YC5BY

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/IX3YC5BYKCJ7XUBW4AZBYKVXED \
  | 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: 45f78174385093fbd036e0321c2ab720e7d48f502b44f16bff5f07747ba3c692

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d255f4ff219b59194fdd34b3352de99a897768a6fe25b439908083e2dbff93d",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.OH",
    "submitted_at": "2022-12-09T18:32:18Z",
    "title_canon_sha256": "70177c349dde24f0017698b4af02605a74dea7e6d80de60e45725ae5f2c02556"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.05947",
    "kind": "arxiv",
    "version": 1
  }
}