Pith Number

pith:EH47P5L6

pith:2022:EH47P5L6XONO2ZPVN4LKGXEJ2O

not attested not anchored not stored refs pending

Robosourcing Educational Resources -- Leveraging Large Language Models for Learnersourcing

Arto Hellas, Juho Leinonen, Paul Denny, Sami Sarsa

arxiv:2211.04715 v1 · 2022-11-09 · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EH47P5L6XONO2ZPVN4LKGXEJ2O}

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	2026-07-05T05:14:41.064320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21f9f7f57ebb9aed65f56f16a35c89d3a97772e6f575d222c8a7e986eb86ca21

Aliases

arxiv: 2211.04715 · arxiv_version: 2211.04715v1 · doi: 10.48550/arxiv.2211.04715 · pith_short_12: EH47P5L6XONO · pith_short_16: EH47P5L6XONO2ZPV · pith_short_8: EH47P5L6

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/EH47P5L6XONO2ZPVN4LKGXEJ2O \
  | 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: 21f9f7f57ebb9aed65f56f16a35c89d3a97772e6f575d222c8a7e986eb86ca21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1cdb9ced287a69abe3a6f12612c1f7251fdfcfdb286ee18f9ea8e963ab29d734",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2022-11-09T07:13:03Z",
    "title_canon_sha256": "5792cb91e14b6f2d4d5e1cd4e4485dd6b0d8261e6dc1b270c77dea95a27577d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.04715",
    "kind": "arxiv",
    "version": 1
  }
}