Pith Number

pith:JVVKFBAS

pith:2024:JVVKFBASQF5I2B4HLATVKIP4FS

not attested not anchored not stored refs pending

HardCore Generation: Generating Hard UNSAT Problems for Data Augmentation

Hui-Ling Zhen, Joseph Cotnareanu, Mark Coates, Yingxue Zhang, Zhanguang Zhang

arxiv:2409.18778 v1 · 2024-09-27 · cs.LG · 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{JVVKFBASQF5I2B4HLATVKIP4FS}

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	2026-07-05T09:12:41.124558Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4d6aa28412817a8d078758275521fc2c8e8637ce253ddf935a4be57b433bdc44

Aliases

arxiv: 2409.18778 · arxiv_version: 2409.18778v1 · doi: 10.48550/arxiv.2409.18778 · pith_short_12: JVVKFBASQF5I · pith_short_16: JVVKFBASQF5I2B4H · pith_short_8: JVVKFBAS

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/JVVKFBASQF5I2B4HLATVKIP4FS \
  | 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: 4d6aa28412817a8d078758275521fc2c8e8637ce253ddf935a4be57b433bdc44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd85b147b018ce40728542be89d13d420a4eecacaea799bb29441465f559de44",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2024-09-27T14:24:16Z",
    "title_canon_sha256": "52c4d78e6da0e690a22c1a9a3981d18cfea9b84210f66d8c7cbac3fa67390d46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2409.18778",
    "kind": "arxiv",
    "version": 1
  }
}