Pith Number

pith:FQ3QAG23

pith:2019:FQ3QAG23HHY2OIKA6QI6VXLAQP

not attested not anchored not stored refs pending

FAMULUS: Interactive Annotation and Feedback Generation for Teaching Diagnostic Reasoning

Christian M. Meyer, Claudia Schulz, Elisabeth Bauer, Frank Fischer, Iryna Gurevych, Jan Kiesewetter, Jan Zottmann, Jonas Pfeiffer, Martin R. Fischer, Michael Sailer

arxiv:1908.11254 v1 · 2019-08-29 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FQ3QAG23HHY2OIKA6QI6VXLAQP}

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	2026-07-05T00:14:21.254393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c37001b5b39f1a72140f411eadd6083cf2b0d27fd518b71795f300bf943c142

Aliases

arxiv: 1908.11254 · arxiv_version: 1908.11254v1 · doi: 10.48550/arxiv.1908.11254 · pith_short_12: FQ3QAG23HHY2 · pith_short_16: FQ3QAG23HHY2OIKA · pith_short_8: FQ3QAG23

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/FQ3QAG23HHY2OIKA6QI6VXLAQP \
  | 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: 2c37001b5b39f1a72140f411eadd6083cf2b0d27fd518b71795f300bf943c142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df536da92a0e6d79b2adbf3572c5868125dd6c3fe980f399ea1c1eda49b53891",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-08-29T14:25:23Z",
    "title_canon_sha256": "7a8c5d75106cdbc1c4622b07389e6ce52450e2e8d2ccbafc56b63ebb26818888"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.11254",
    "kind": "arxiv",
    "version": 1
  }
}