Pith Number

pith:PODFQYZG

pith:2025:PODFQYZG3CLLIRWDUMLBUTKXKE

not attested not anchored not stored refs pending

Unfolding the Past: A Comprehensive Deep Learning Approach to Analyzing Incunabula Pages

Grzegorz J. Nalepa, Klaudia Ropel, Krzysztof Kutt, Luiz do Valle Miranda

arxiv:2506.18069 v2 · 2025-06-22 · cs.DL · 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{PODFQYZG3CLLIRWDUMLBUTKXKE}

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	2026-07-05T11:26:33.000697Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b86586326d896b446c3a3161a4d57511258feb97fcb3adb19774c387811b313

Aliases

arxiv: 2506.18069 · arxiv_version: 2506.18069v2 · doi: 10.48550/arxiv.2506.18069 · pith_short_12: PODFQYZG3CLL · pith_short_16: PODFQYZG3CLLIRWD · pith_short_8: PODFQYZG

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/PODFQYZG3CLLIRWDUMLBUTKXKE \
  | 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: 7b86586326d896b446c3a3161a4d57511258feb97fcb3adb19774c387811b313

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41a1ccd96ae1666b73ba442c0b33b95c602236480ea3e0cd12a08ca75da2ce0b",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2025-06-22T15:33:20Z",
    "title_canon_sha256": "1a69804b35d9999ca42a24d1a3394d0486fc5c9bd1b99352eee7b314327b25e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18069",
    "kind": "arxiv",
    "version": 2
  }
}