Pith Number

pith:UBNHMQZD

pith:2025:UBNHMQZDQAXWJZWUY23PCJHCP5

not attested not anchored not stored refs pending

Estimating the Number of Opioid Overdoses in British Columbia Using Relational Evidence with Tree Structure

Mallory J Flynn, Michael A. Irvine, Paul Gustafson

arxiv:2506.21024 v1 · 2025-06-26 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UBNHMQZDQAXWJZWUY23PCJHCP5}

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	2026-07-05T11:27:38.272326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a05a764323802f64e6d4c6b6f124e27f6b3ccbca9d2367db13578b1ee91c7226

Aliases

arxiv: 2506.21024 · arxiv_version: 2506.21024v1 · doi: 10.48550/arxiv.2506.21024 · pith_short_12: UBNHMQZDQAXW · pith_short_16: UBNHMQZDQAXWJZWU · pith_short_8: UBNHMQZD

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/UBNHMQZDQAXWJZWUY23PCJHCP5 \
  | 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: a05a764323802f64e6d4c6b6f124e27f6b3ccbca9d2367db13578b1ee91c7226

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc6d0c2aab754d52d4ca2e9d2689b11455b0588914be00d78241fe02c1a58def",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2025-06-26T05:56:36Z",
    "title_canon_sha256": "a80fff6e01e1d819bf928200ae47b797c61d9c1a14f2c5914fbaaccdec28bc47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21024",
    "kind": "arxiv",
    "version": 1
  }
}