Pith Number

pith:CRW4OJZT

pith:2018:CRW4OJZTR55K2IY4JSNQJHCODF

not attested not anchored not stored refs pending

Unveiling the invisible - mathematical methods for restoring and interpreting illuminated manuscripts

Carola-Bibiane Sch\"onlieb, Luca Calatroni, Marie d'Autume, Paola Ricciardi, Rob Hocking, Simone Parisotto, Stella Panayotova

arxiv:1803.07187 v1 · 2018-03-19 · cs.CV · eess.IV · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CRW4OJZTR55K2IY4JSNQJHCODF}

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	2026-05-17T23:49:57.390301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

146dc727338f7aad231c4c9b049c4e1941b2842f6f601d31c963b35a531949a8

Aliases

arxiv: 1803.07187 · arxiv_version: 1803.07187v1 · doi: 10.48550/arxiv.1803.07187 · pith_short_12: CRW4OJZTR55K · pith_short_16: CRW4OJZTR55K2IY4 · pith_short_8: CRW4OJZT

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/CRW4OJZTR55K2IY4JSNQJHCODF \
  | 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: 146dc727338f7aad231c4c9b049c4e1941b2842f6f601d31c963b35a531949a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4a628960cede27f8068cc0d72106e1643dd98d2da149ff433ca50d81468eaa6",
    "cross_cats_sorted": [
      "eess.IV",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-19T22:50:53Z",
    "title_canon_sha256": "f9ca52ea7e98fb8b9e67c236328dc3f0e3f92a22735d3ffea8092848c6fc41e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07187",
    "kind": "arxiv",
    "version": 1
  }
}