Pith Number

pith:N3IVNCSD

pith:2013:N3IVNCSDTSG5WDHG7JYYGFFIPF

not attested not anchored not stored refs pending

Gradient Magnitude Similarity Deviation: A Highly Efficient Perceptual Image Quality Index

Alan C. Bovik, Lei Zhang, Wufeng Xue, Xuanqin Mou

arxiv:1308.3052 v2 · 2013-08-14 · 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{N3IVNCSDTSG5WDHG7JYYGFFIPF}

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.

Cited by

1 paper in Pith

Reverse Browser: Vector-Image-to-Code Generator

Receipt and verification

First computed	2026-07-05T06:31:41.578817Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ed1568a439c8ddb0ce6fa718314a87952dc84b610455dacdab87571ad2a5ace

Aliases

arxiv: 1308.3052 · arxiv_version: 1308.3052v2 · doi: 10.48550/arxiv.1308.3052 · pith_short_12: N3IVNCSDTSG5 · pith_short_16: N3IVNCSDTSG5WDHG · pith_short_8: N3IVNCSD

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/N3IVNCSDTSG5WDHG7JYYGFFIPF \
  | 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: 6ed1568a439c8ddb0ce6fa718314a87952dc84b610455dacdab87571ad2a5ace

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7004f6f567dcfc4d0b293e4f01c31acc0b07f78d18a55b435587c4ae5eec7fff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2013-08-14T07:25:10Z",
    "title_canon_sha256": "af3eaf207e0058cee1daefd5de401fc3a391ef04d8df3b0e9de639f63959654d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3052",
    "kind": "arxiv",
    "version": 2
  }
}