Pith Number

pith:FTPMTQIB

pith:2023:FTPMTQIBUFOFT2L3PK7FUU6EHT

not attested not anchored not stored refs pending

Large Scale Genealogical Information Extraction From Handwritten Quebec Parish Records

Christopher Kermorvant, Eug\'enie Capel, H\'el\`ene V\'ezina, James McGrath, Martin Maarand, M\'elodie Boillet, Sol\`ene Tarride

arxiv:2304.14044 v1 · 2023-04-27 · 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{FTPMTQIBUFOFT2L3PK7FUU6EHT}

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	2026-07-05T06:05:00.100787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cdec9c101a15c59e97b7abe5a53c43cfe0890c97dcd1313f882a567d51d632f

Aliases

arxiv: 2304.14044 · arxiv_version: 2304.14044v1 · doi: 10.48550/arxiv.2304.14044 · pith_short_12: FTPMTQIBUFOF · pith_short_16: FTPMTQIBUFOFT2L3 · pith_short_8: FTPMTQIB

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/FTPMTQIBUFOFT2L3PK7FUU6EHT \
  | 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: 2cdec9c101a15c59e97b7abe5a53c43cfe0890c97dcd1313f882a567d51d632f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "176872b9e7628d7dd56b7aa4b42516eac02dace43f185abc3c274fec7e448ad3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-04-27T09:19:23Z",
    "title_canon_sha256": "e61924fd4b5b96f93c2dde658ec466f89003f4e487ba0ec60a45027f459d8dc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.14044",
    "kind": "arxiv",
    "version": 1
  }
}