Pith Number

pith:TTU2IY2E

pith:2009:TTU2IY2ECNIG7TRNZ353KF4XUP

not attested not anchored not stored refs pending

Optimal confidence intervals for bounded parameters (a correct alternative to the recipe of Feldman and Cousins)

Fyodor V. Tkachov

arxiv:0911.4271 v3 · 2009-11-23 · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTU2IY2ECNIG7TRNZ353KF4XUP}

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	2026-05-18T04:25:03.200117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ce9a4634413506fce2dcefbb51797a3cd91760acce7bbeb049ff4961b8dabee

Aliases

arxiv: 0911.4271 · arxiv_version: 0911.4271v3 · doi: 10.48550/arxiv.0911.4271 · pith_short_12: TTU2IY2ECNIG · pith_short_16: TTU2IY2ECNIG7TRN · pith_short_8: TTU2IY2E

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/TTU2IY2ECNIG7TRNZ353KF4XUP \
  | 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: 9ce9a4634413506fce2dcefbb51797a3cd91760acce7bbeb049ff4961b8dabee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5a0297f0db9a035ec418db43547352fb00153feecc9a2f9cd18b70a565833aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2009-11-23T05:50:14Z",
    "title_canon_sha256": "ec3c224df92f577e1b615cbd8c06d3400a954570abfb02543afe9ad77310e3fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4271",
    "kind": "arxiv",
    "version": 3
  }
}