Pith Number

pith:TJY3Y4O2

pith:2016:TJY3Y4O2JS5YLPH36VWLB2IKNY

not attested not anchored not stored refs pending

A Haar Wavelet-Based Perceptual Similarity Index for Image Quality Assessment

Gitta Kutyniok, Rafael Reisenhofer, Sebastian Bosse, Thomas Wiegand

arxiv:1607.06140 v4 · 2016-07-20 · 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{TJY3Y4O2JS5YLPH36VWLB2IKNY}

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	2026-05-18T00:29:33.564188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a71bc71da4cbb85bcfbf56cb0e90a6e1070ef1bdc7df177fa772ca884cd3984

Aliases

arxiv: 1607.06140 · arxiv_version: 1607.06140v4 · doi: 10.48550/arxiv.1607.06140 · pith_short_12: TJY3Y4O2JS5Y · pith_short_16: TJY3Y4O2JS5YLPH3 · pith_short_8: TJY3Y4O2

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/TJY3Y4O2JS5YLPH36VWLB2IKNY \
  | 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: 9a71bc71da4cbb85bcfbf56cb0e90a6e1070ef1bdc7df177fa772ca884cd3984

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8fbcb64c40c27dcf9481c404bf14b4dd2a70aa3fdf2b1f6fb3c3144520566911",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-07-20T22:30:31Z",
    "title_canon_sha256": "f3f1b89d0bacdefddc58df6cf302250c0ac6b7564b70924f1657e9705e4a70eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.06140",
    "kind": "arxiv",
    "version": 4
  }
}