Pith Number

pith:2V2W4EVQ

pith:2026:2V2W4EVQ4U2IYR3F3F6SEQRUBB

not attested not anchored not stored refs pending

Multimodal Item Parameter Estimation using Simulated Response Probabilitie

Christopher Ormerod, YoungKoung Kim

arxiv:2608.10154 v1 · 2026-08-10 · cs.CL · 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{2V2W4EVQ4U2IYR3F3F6SEQRUBB}

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	2026-08-12T00:22:55.652536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5756e12b0e5348c4765d97d2242340875ea0635630924c0551caa63083e203b

Aliases

arxiv: 2608.10154 · arxiv_version: 2608.10154v1 · doi: 10.48550/arxiv.2608.10154 · pith_short_12: 2V2W4EVQ4U2I · pith_short_16: 2V2W4EVQ4U2IYR3F · pith_short_8: 2V2W4EVQ

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/2V2W4EVQ4U2IYR3F3F6SEQRUBB \
  | 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: d5756e12b0e5348c4765d97d2242340875ea0635630924c0551caa63083e203b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "673209805e0c5f34aad73724dd5883d2a4cd0b5f489e49efd307548c684c712e",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2026-08-10T19:15:39Z",
    "title_canon_sha256": "47f3b48f3cfac0f04af26f70b9e4de0dd102dc4dec42ccd93466a49664805fdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10154",
    "kind": "arxiv",
    "version": 1
  }
}