Pith Number

pith:2PZJPARD

pith:2017:2PZJPARDF3GVEP32NN4FKLBLLR

not attested not anchored not stored refs pending

Efficient Osmosis Filtering of Thermal-Quasi Reflectography Images for Cultural Heritage

Claudia Daffara, Luca Calatroni, Simone Parisotto

arxiv:1704.04052 v1 · 2017-04-13 · 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{2PZJPARDF3GVEP32NN4FKLBLLR}

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	2026-05-18T00:46:25.509246Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3f29782232ecd523f7a6b78552c2b5c72728fa0fca241f9368962a86349d0a5

Aliases

arxiv: 1704.04052 · arxiv_version: 1704.04052v1 · doi: 10.48550/arxiv.1704.04052 · pith_short_12: 2PZJPARDF3GV · pith_short_16: 2PZJPARDF3GVEP32 · pith_short_8: 2PZJPARD

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/2PZJPARDF3GVEP32NN4FKLBLLR \
  | 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: d3f29782232ecd523f7a6b78552c2b5c72728fa0fca241f9368962a86349d0a5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ce8c92e6e446f8f3cb0c6623d1233aab5c4c5f53d60f76e90eae9fbeb64930e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-04-13T09:36:35Z",
    "title_canon_sha256": "f84c6ba30338a0892bafe5e118aabd7d29d973dcd8c9643ee1b146abebfeffcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.04052",
    "kind": "arxiv",
    "version": 1
  }
}