Pith Number

pith:RKRSWNQD

pith:2025:RKRSWNQDZ7KKBGNE7CTMVI55HE

not attested not anchored not stored refs pending

Spatial tangible user interfaces for cognitive assessment and training

Benjamin Watson, Ehud Sharlin, Fumio Kishino, Lili Liu, Steve Sutphen, Yoshifumi Kitamura, Yuichi Itoh

arxiv:2507.01944 v1 · 2025-07-02 · 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{RKRSWNQDZ7KKBGNE7CTMVI55HE}

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	2026-07-05T11:30:58.670092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aa32b3603cfd4a099a4f8a6caa3bd39179d22ae458c8670b39281398a8e89c4

Aliases

arxiv: 2507.01944 · arxiv_version: 2507.01944v1 · doi: 10.48550/arxiv.2507.01944 · pith_short_12: RKRSWNQDZ7KK · pith_short_16: RKRSWNQDZ7KKBGNE · pith_short_8: RKRSWNQD

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/RKRSWNQDZ7KKBGNE7CTMVI55HE \
  | 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: 8aa32b3603cfd4a099a4f8a6caa3bd39179d22ae458c8670b39281398a8e89c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "263492f8879d86c9526cf6c35780ced7d65d73ebe7496ba14f06e45672e8ea86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.HC",
    "submitted_at": "2025-07-02T17:54:23Z",
    "title_canon_sha256": "e6da8f0b1c04550345880773a4ba91d336ed0889b83536814c22fdb2cfe86ade"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.01944",
    "kind": "arxiv",
    "version": 1
  }
}