Pith Number

pith:ZYVSONSZ

pith:2021:ZYVSONSZOJ3KSA3VFVA2YWMHN6

not attested not anchored not stored refs pending

BOBCAT: Bilevel Optimization-Based Computerized Adaptive Testing

Andrew Lan, Aritra Ghosh

arxiv:2108.07386 v1 · 2021-08-17 · 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{ZYVSONSZOJ3KSA3VFVA2YWMHN6}

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	2026-07-05T03:06:38.516674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce2b2736597276a903752d41ac59876fb55b23a39438f3109c9dbe4dda746b04

Aliases

arxiv: 2108.07386 · arxiv_version: 2108.07386v1 · doi: 10.48550/arxiv.2108.07386 · pith_short_12: ZYVSONSZOJ3K · pith_short_16: ZYVSONSZOJ3KSA3V · pith_short_8: ZYVSONSZ

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/ZYVSONSZOJ3KSA3VFVA2YWMHN6 \
  | 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: ce2b2736597276a903752d41ac59876fb55b23a39438f3109c9dbe4dda746b04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaccd267d74ae65933c661d6a0ba20a090dfd7afee218242042f818366fcef83",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-08-17T00:40:23Z",
    "title_canon_sha256": "abbb3255b498a5cb682f9c80a3ba33b8fe584e528178ff3c0c4bd5b5bcb6c251"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.07386",
    "kind": "arxiv",
    "version": 1
  }
}