Pith Number

pith:JN5JDLUG

pith:2012:JN5JDLUGVCEMRCZDP7CQMC57OX

not attested not anchored not stored refs pending

Estimating the bias of a noisy coin

Christopher Ferrie, Robin Blume-Kohout

arxiv:1201.1493 v1 · 2012-01-06 · math.ST · quant-ph · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JN5JDLUGVCEMRCZDP7CQMC57OX}

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	2026-05-18T02:21:18.850696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b7a91ae86a888c88b237fc5060bbf75da0d6f29e1ab9f8fae919b6e6ed34aec

Aliases

arxiv: 1201.1493 · arxiv_version: 1201.1493v1 · doi: 10.48550/arxiv.1201.1493 · pith_short_12: JN5JDLUGVCEM · pith_short_16: JN5JDLUGVCEMRCZD · pith_short_8: JN5JDLUG

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/JN5JDLUGVCEMRCZDP7CQMC57OX \
  | 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: 4b7a91ae86a888c88b237fc5060bbf75da0d6f29e1ab9f8fae919b6e6ed34aec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6df3c0c06277422ad50b81bd997245052aa2f1bad61647939e61c8fbf06401f",
    "cross_cats_sorted": [
      "quant-ph",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-01-06T20:47:37Z",
    "title_canon_sha256": "d705973db8c413a24b088494f78c9d894b90334acdc28828554ec8215f2be29b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.1493",
    "kind": "arxiv",
    "version": 1
  }
}