Pith Number

pith:HVASJFYU

pith:2026:HVASJFYU7UEO7HUDUXCKCFY2GE

not attested not anchored not stored refs pending

Automatic Hard Example Synthesis with Multi-Level Agentic Data Curation

Ariel Fuxman, Bla\v{z} Bratani\v{c}, Genglin Liu, Krishnamurthy Viswanathan, Muye Zhang, Nathan L Clement, Nichole J. Hansen, Shalini Ghosh

arxiv:2607.14256 v1 · 2026-07-15 · cs.AI · cs.MA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVASJFYU7UEO7HUDUXCKCFY2GE}

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	2026-07-17T00:21:01.830180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d41249714fd08ef9e83a5c4a1171a31121cc138c0b56e05eb94aa5e63beb022

Aliases

arxiv: 2607.14256 · arxiv_version: 2607.14256v1 · doi: 10.48550/arxiv.2607.14256 · pith_short_12: HVASJFYU7UEO · pith_short_16: HVASJFYU7UEO7HUD · pith_short_8: HVASJFYU

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/HVASJFYU7UEO7HUDUXCKCFY2GE \
  | 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: 3d41249714fd08ef9e83a5c4a1171a31121cc138c0b56e05eb94aa5e63beb022

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "152bd1045af7a5116a4ee4ce85de4a9177236341959e62db215f4fe5039ee142",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-07-15T18:13:05Z",
    "title_canon_sha256": "3b4b37e679309ead2e82d91c9dd5eba260a7fa2ede91d4dc586145222258016d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.14256",
    "kind": "arxiv",
    "version": 1
  }
}