Pith Number

pith:L6E3W4SD

pith:2025:L6E3W4SD7YNVUWVNW6TLIAVLYC

not attested not anchored not stored refs pending

Creating a Historical Migration Dataset from Finnish Church Records, 1800-1920

Aida Nitsch, Ari Vesalainen, Filip Ginter, Ilari Larkiola, Jenna Kanerva, Kiia Korsu, Laura Ruotsalainen

arxiv:2506.07960 v3 · 2025-06-09 · cs.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L6E3W4SD7YNVUWVNW6TLIAVLYC}

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	2026-07-05T12:06:13.585545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f89bb7243fe1b5a5aadb7a6b402abc0b6f51e32ac58caa1ef889a1a07ec4ec2

Aliases

arxiv: 2506.07960 · arxiv_version: 2506.07960v3 · doi: 10.48550/arxiv.2506.07960 · pith_short_12: L6E3W4SD7YNV · pith_short_16: L6E3W4SD7YNVUWVN · pith_short_8: L6E3W4SD

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/L6E3W4SD7YNVUWVNW6TLIAVLYC \
  | 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: 5f89bb7243fe1b5a5aadb7a6b402abc0b6f51e32ac58caa1ef889a1a07ec4ec2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e728846b908ce9f2011d38472b6cfc4453748d511d89382619a5d9ecbfa9f2be",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-06-09T17:32:55Z",
    "title_canon_sha256": "f2de80751204db76fab0df416576fbc43c8d576dba709422090e2300cdf38cd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07960",
    "kind": "arxiv",
    "version": 3
  }
}