Pith Number

pith:WKB2KQ4G

pith:2022:WKB2KQ4GX7WDVMKXLJJQ34N5BE

not attested not anchored not stored refs pending

Automated Feedback Generation for Competition-Level Code

De Li, Hanyuan Shi, Jialu Zhang, John C. Kolesar, Ruzica Piskac

arxiv:2206.01848 v1 · 2022-06-03 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKB2KQ4GX7WDVMKXLJJQ34N5BE}

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	2026-07-05T04:28:56.860192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b283a54386bfec3ab1575a530df1bd093671c5e599d0f91239dc959112416e55

Aliases

arxiv: 2206.01848 · arxiv_version: 2206.01848v1 · doi: 10.48550/arxiv.2206.01848 · pith_short_12: WKB2KQ4GX7WD · pith_short_16: WKB2KQ4GX7WDVMKX · pith_short_8: WKB2KQ4G

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/WKB2KQ4GX7WDVMKXLJJQ34N5BE \
  | 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: b283a54386bfec3ab1575a530df1bd093671c5e599d0f91239dc959112416e55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30dd8fe1adb5f74fbd7fc6541c04c0f4489bc9e139257ca90f8dcd2068140731",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2022-06-03T22:58:11Z",
    "title_canon_sha256": "11e16eaf3a2fbb2f5d6115b5ba6684617a4bcfd33133997444756ee65a26beca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.01848",
    "kind": "arxiv",
    "version": 1
  }
}