Pith Number

pith:647ILP57

pith:2017:647ILP57KQ36NAMNWUGNPHB322

not attested not anchored not stored refs pending

On the Power Spectral Density Applied to the Analysis of Old Canvases

Francisco J. Simois, Juan J. Murillo-Fuentes

arxiv:1705.10060 v1 · 2017-05-29 · cs.CV · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{647ILP57KQ36NAMNWUGNPHB322}

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	2026-05-18T00:43:32.051200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f73e85bfbf5437e6818db50cd79c3bd68f6626c8c4b372c5a217b978ec674897

Aliases

arxiv: 1705.10060 · arxiv_version: 1705.10060v1 · doi: 10.48550/arxiv.1705.10060 · pith_short_12: 647ILP57KQ36 · pith_short_16: 647ILP57KQ36NAMN · pith_short_8: 647ILP57

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/647ILP57KQ36NAMNWUGNPHB322 \
  | 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: f73e85bfbf5437e6818db50cd79c3bd68f6626c8c4b372c5a217b978ec674897

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d57110b7a8fc3bb3105f481425f476c342d0ebd299db2198d5b2e4af3041d84",
    "cross_cats_sorted": [
      "math.SP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2017-05-29T07:49:32Z",
    "title_canon_sha256": "56b370721a4861dc7293f7955c8fec091e036e2e37840ce59e516fd5f2379e7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.10060",
    "kind": "arxiv",
    "version": 1
  }
}