Pith Number

pith:63VYRRLX

pith:2020:63VYRRLXMOLSPGBLDGST7JDSTC

not attested not anchored not stored refs pending

Vector Fields and Paul Klee -- A Summer School Course for gifted High-School Students

Henriette Lipsch\"utz, Martin Skrodzki

arxiv:2005.01983 v2 · 2020-05-05 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63VYRRLXMOLSPGBLDGST7JDSTC}

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	2026-07-05T03:44:27.477136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6eb88c577639727982b19a53fa472989b0248b2dd4c8df76e534ab44b510ddc

Aliases

arxiv: 2005.01983 · arxiv_version: 2005.01983v2 · doi: 10.48550/arxiv.2005.01983 · pith_short_12: 63VYRRLXMOLS · pith_short_16: 63VYRRLXMOLSPGBL · pith_short_8: 63VYRRLX

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/63VYRRLXMOLSPGBLDGST7JDSTC \
  | 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: f6eb88c577639727982b19a53fa472989b0248b2dd4c8df76e534ab44b510ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "596382e2d21bd16a8fca6e942e9d7e325b78befd3f9c7974fa5f99dcbc1b5d15",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2020-05-05T07:41:14Z",
    "title_canon_sha256": "73d1aa54fde133cbe16b895f92541d7c50ba5f7e793cd8dd296a57fce0ed3a96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.01983",
    "kind": "arxiv",
    "version": 2
  }
}