Pith Number

pith:WFBJU6FZ

pith:2016:WFBJU6FZBU3BHAQLTI4IF577G2

not attested not anchored not stored refs pending

OCR of historical printings with an application to building diachronic corpora: A case study using the RIDGES herbal corpus

A. L\"udeling, U. Springmann

arxiv:1608.02153 v2 · 2016-08-06 · cs.CL · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WFBJU6FZBU3BHAQLTI4IF577G2}

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.

Cited by

1 paper in Pith

Cross-Temporal Sinhala OCR: Page-Level Adaptation and Diachronic Analysis

Receipt and verification

First computed	2026-05-18T00:46:49.216881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1429a78b90d3613820b9a3882f7ff369130104df20f6246677fb34f294c81b3

Aliases

arxiv: 1608.02153 · arxiv_version: 1608.02153v2 · doi: 10.48550/arxiv.1608.02153 · pith_short_12: WFBJU6FZBU3B · pith_short_16: WFBJU6FZBU3BHAQL · pith_short_8: WFBJU6FZ

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/WFBJU6FZBU3BHAQLTI4IF577G2 \
  | 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: b1429a78b90d3613820b9a3882f7ff369130104df20f6246677fb34f294c81b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b9770366d101260c9246fb8516acdfd3ebc763f9e33e82856589dda43b30fd52",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-08-06T20:51:53Z",
    "title_canon_sha256": "deffc7c3059621d1ffd2011b3900ada4f6a5a2bc580d80923206223e4fb6214d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.02153",
    "kind": "arxiv",
    "version": 2
  }
}