Pith Number

pith:AU3O3HJF

pith:2017:AU3O3HJF7TH4USNKMMIQ37GGBS

not attested not anchored not stored refs pending

An Image Analysis Approach to the Calligraphy of Books

Diego R. Amancio, Henrique F. de Arruda, Luciano da F. Costa, Thales S. Lima, Vanessa Q. Marinho

arxiv:1708.07265 v1 · 2017-08-24 · cs.CL · 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{AU3O3HJF7TH4USNKMMIQ37GGBS}

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	2026-05-18T00:11:18.721677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0536ed9d25fccfca49aa63110dfcc60cbb271c3baa194c5eb85022254893f409

Aliases

arxiv: 1708.07265 · arxiv_version: 1708.07265v1 · doi: 10.48550/arxiv.1708.07265 · pith_short_12: AU3O3HJF7TH4 · pith_short_16: AU3O3HJF7TH4USNK · pith_short_8: AU3O3HJF

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/AU3O3HJF7TH4USNKMMIQ37GGBS \
  | 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: 0536ed9d25fccfca49aa63110dfcc60cbb271c3baa194c5eb85022254893f409

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad58fb95098d08c8ca4d88a18c2b18b4190e1204598f1cc899a97c3d8f990adf",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-08-24T03:12:22Z",
    "title_canon_sha256": "7901cacdc22cc0cbbacd527341f686c99ffd194ac5db230615e606b88fca9243"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07265",
    "kind": "arxiv",
    "version": 1
  }
}