Pith Number

pith:YS55TKMA

pith:2021:YS55TKMAJ7B3RGHWL5RDW4KHMP

not attested not anchored not stored refs pending

Optimizing piano practice with a utility-based scaffold

Alexandra Moringen, Helge Ritter, Jason Friedman, Luisa Zintgraf, S\"oren R\"uttgers

arxiv:2106.12937 v1 · 2021-06-21 · cs.HC · 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{YS55TKMAJ7B3RGHWL5RDW4KHMP}

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	2026-07-05T02:52:07.663755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4bbd9a9804fc3b898f65f623b714763e6581afeb61b966613ab89927ba46aac

Aliases

arxiv: 2106.12937 · arxiv_version: 2106.12937v1 · doi: 10.48550/arxiv.2106.12937 · pith_short_12: YS55TKMAJ7B3 · pith_short_16: YS55TKMAJ7B3RGHW · pith_short_8: YS55TKMA

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/YS55TKMAJ7B3RGHWL5RDW4KHMP \
  | 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: c4bbd9a9804fc3b898f65f623b714763e6581afeb61b966613ab89927ba46aac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "297723631ccc24e6022b4e6cf51ed1449c1ff7616a3c155304fccbed933306a0",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2021-06-21T14:05:00Z",
    "title_canon_sha256": "fdccbcc238cd0c6052ed5f8fdca40db5f91ce76e747a560fee9efe2a77060033"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.12937",
    "kind": "arxiv",
    "version": 1
  }
}