Pith Number

pith:WD3BNXM4

pith:2025:WD3BNXM4K4KDBD6HL4KGQBD324

not attested not anchored not stored refs pending

Option-ID Based Elimination For Multiple Choice Questions

Bulou Liu, Qingyao Ai, Yiqun Liu, Zhenhao Zhu

arxiv:2501.15175 v3 · 2025-01-25 · cs.CL · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WD3BNXM4K4KDBD6HL4KGQBD324}

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	2026-07-05T11:05:23.003162Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f616dd9c5714308fc75f1468047bd73e598dd5fe384b4864f48e3066563e41

Aliases

arxiv: 2501.15175 · arxiv_version: 2501.15175v3 · doi: 10.48550/arxiv.2501.15175 · pith_short_12: WD3BNXM4K4KD · pith_short_16: WD3BNXM4K4KDBD6H · pith_short_8: WD3BNXM4

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/WD3BNXM4K4KDBD6HL4KGQBD324 \
  | 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: b0f616dd9c5714308fc75f1468047bd73e598dd5fe384b4864f48e3066563e41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0660d964fb1bfc755fff1eeccef5fe465bd8b6e60dfb8c4cf79c7014302afcd0",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-01-25T11:06:37Z",
    "title_canon_sha256": "f9c0c278c564be70f156713553d4c7d8538f3bc063f0b8345e054bc6083e2633"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.15175",
    "kind": "arxiv",
    "version": 3
  }
}