Pith Number

pith:ZTJE4R4P

pith:2016:ZTJE4R4P7WSMPX6PMHZOFY3AWC

not attested not anchored not stored refs pending

sk_p: a neural program corrector for MOOCs

Armando Solar-Lezama, Karthik Narasimhan, Regina Barzilay, Yewen Pu

arxiv:1607.02902 v1 · 2016-07-11 · cs.PL · 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{ZTJE4R4P7WSMPX6PMHZOFY3AWC}

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	2026-05-18T01:11:14.436998Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccd24e478ffda4c7dfcf61f2e2e360b0941f92c8f65ac6829dd405b6c35b4046

Aliases

arxiv: 1607.02902 · arxiv_version: 1607.02902v1 · doi: 10.48550/arxiv.1607.02902 · pith_short_12: ZTJE4R4P7WSM · pith_short_16: ZTJE4R4P7WSMPX6P · pith_short_8: ZTJE4R4P

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/ZTJE4R4P7WSMPX6PMHZOFY3AWC \
  | 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: ccd24e478ffda4c7dfcf61f2e2e360b0941f92c8f65ac6829dd405b6c35b4046

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbd7d4bf8c6f88aa0316a931b5784791ee45fb5d875f04e9ccfe79c514180c15",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-07-11T11:08:00Z",
    "title_canon_sha256": "4bc02fb368e4d858cd63ac5c931a67dbff0c950f48d8d3eb91508bd4828fdcd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.02902",
    "kind": "arxiv",
    "version": 1
  }
}