Pith Number

pith:VBBHQTNY

pith:2016:VBBHQTNYVBXWOVBITK5FA2OHFD

not attested not anchored not stored refs pending

Fitting Bayesian item response models in Stata and Stan

Andrew Gelman, Bob Carpenter, Daniel C. Furr, Robert L. Grant

arxiv:1601.03443 v2 · 2016-01-13 · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VBBHQTNYVBXWOVBITK5FA2OHFD}

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	2026-05-18T00:55:04.158733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a842784db8a86f6754289aba5069c728c5fa2c4b6e8481e43489fe05eb1bb1a5

Aliases

arxiv: 1601.03443 · arxiv_version: 1601.03443v2 · doi: 10.48550/arxiv.1601.03443 · pith_short_12: VBBHQTNYVBXW · pith_short_16: VBBHQTNYVBXWOVBI · pith_short_8: VBBHQTNY

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/VBBHQTNYVBXWOVBITK5FA2OHFD \
  | 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: a842784db8a86f6754289aba5069c728c5fa2c4b6e8481e43489fe05eb1bb1a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ac05f6119424617cc26c128f900da6e3cd24ef6df4354b304b09d8f3af5cf46",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2016-01-13T23:14:04Z",
    "title_canon_sha256": "861803379bd677c46ee4908997e5f9182e3cdad985b627ccfc662233fabcb015"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03443",
    "kind": "arxiv",
    "version": 2
  }
}