Pith Number

pith:UWTAHDWK

pith:2024:UWTAHDWKFS5B5JFCKHFL4CTIC2

not attested not anchored not stored refs pending

Automating Personalized Parsons Problems with Customized Contexts and Concepts

Andre del Carpio Gutierrez, Andrew Luxton-Reilly, Paul Denny

arxiv:2404.10990 v1 · 2024-04-17 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UWTAHDWKFS5B5JFCKHFL4CTIC2}

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	2026-07-05T08:09:01.938343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5a6038eca2cba1ea4a251cabe0a68169ac4760dc2ce51a2fef338bcfef45a1b

Aliases

arxiv: 2404.10990 · arxiv_version: 2404.10990v1 · doi: 10.48550/arxiv.2404.10990 · pith_short_12: UWTAHDWKFS5B · pith_short_16: UWTAHDWKFS5B5JFC · pith_short_8: UWTAHDWK

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/UWTAHDWKFS5B5JFCKHFL4CTIC2 \
  | 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: a5a6038eca2cba1ea4a251cabe0a68169ac4760dc2ce51a2fef338bcfef45a1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79dd85fac6121664ba8bf5280cff51ced04801a21df0a4e356887f246b267aa1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2024-04-17T02:01:50Z",
    "title_canon_sha256": "522bc553dca41e9924a81d342b22863af0817e367ee0fce5c429ef6d32b5e664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.10990",
    "kind": "arxiv",
    "version": 1
  }
}