Pith Number

pith:X5BWMANI

pith:2012:X5BWMANIN45TELDLNLL34JDDAC

not attested not anchored not stored refs pending

Sequential Estimation in Item Calibration with A Two-Stage Design

Yuan-chin Ivan Chang

arxiv:1206.4189 v2 · 2012-06-19 · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X5BWMANIN45TELDLNLL34JDDAC}

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	2026-05-18T03:25:14.658628Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf436601a86f3b322c6b6ad7be246300a1c5afff3e16ed35c752286f50d3a3e9

Aliases

arxiv: 1206.4189 · arxiv_version: 1206.4189v2 · doi: 10.48550/arxiv.1206.4189 · pith_short_12: X5BWMANIN45T · pith_short_16: X5BWMANIN45TELDL · pith_short_8: X5BWMANI

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/X5BWMANIN45TELDLNLL34JDDAC \
  | 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: bf436601a86f3b322c6b6ad7be246300a1c5afff3e16ed35c752286f50d3a3e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a886ed3a8f50d4a70eb71ca0718c833f2e75f4b1476cf8002f4d4c6d9d887bd7",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-06-19T12:17:07Z",
    "title_canon_sha256": "8c42cb5b04496c026ec2a64a7df65aafedab8fa34126f0264c82ed6c932b29a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.4189",
    "kind": "arxiv",
    "version": 2
  }
}