Pith Number

pith:YWEWU55J

pith:2014:YWEWU55J7V6A53KCQ66CFWEWZP

not attested not anchored not stored refs pending

A field study of data analysis exercises in a bachelor physics course using the internet platform VISPA

Birgitta Weltermann, Christian Glaser, Daniel Kuempel, David Walz, Dennis Klingebiel, Gero Mueller, Jan Steggemann, Klaus Weidenhaupt, Marcel Rieger, Martin Erdmann, Martin Urban, Raphael Krause, Robert Fischer, Tobias Winchen

arxiv:1402.2836 v1 · 2014-02-12 · physics.ed-ph · astro-ph.HE · hep-ex

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWEWU55J7V6A53KCQ66CFWEWZP}

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	2026-05-18T02:54:46.518337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5896a77a9fd7c0eed4287bc22d896cbe78c831955602584001092590e1d70ae

Aliases

arxiv: 1402.2836 · arxiv_version: 1402.2836v1 · doi: 10.48550/arxiv.1402.2836 · pith_short_12: YWEWU55J7V6A · pith_short_16: YWEWU55J7V6A53KC · pith_short_8: YWEWU55J

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/YWEWU55J7V6A53KCQ66CFWEWZP \
  | 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: c5896a77a9fd7c0eed4287bc22d896cbe78c831955602584001092590e1d70ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66b2b4c2a704be2c9d6cfa361269df19d5c46cda57c1892e3003058f74272b47",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "hep-ex"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-02-12T14:31:30Z",
    "title_canon_sha256": "13961e9876ad372138c78d22a44a87248cfdb794660d99ebee5f27b29e0fd915"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.2836",
    "kind": "arxiv",
    "version": 1
  }
}