Pith Number

pith:NUBNQCKS

pith:2025:NUBNQCKSVOI5MMYHQJF4UZLILE

not attested not anchored not stored refs pending

Scene Perceived Image Perceptual Score (SPIPS): combining global and local perception for image quality assessment

Heather Yu, Zhiqiang Lao

arxiv:2504.17234 v1 · 2025-04-24 · 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{NUBNQCKSVOI5MMYHQJF4UZLILE}

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	2026-07-05T10:53:24.866629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d02d80952ab91d63307824bca65685934478cbc9f14e80e55f6ef8f0b30e9df

Aliases

arxiv: 2504.17234 · arxiv_version: 2504.17234v1 · doi: 10.48550/arxiv.2504.17234 · pith_short_12: NUBNQCKSVOI5 · pith_short_16: NUBNQCKSVOI5MMYH · pith_short_8: NUBNQCKS

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/NUBNQCKSVOI5MMYHQJF4UZLILE \
  | 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: 6d02d80952ab91d63307824bca65685934478cbc9f14e80e55f6ef8f0b30e9df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44a13eff879cd99b0148b3e9952e5451aaa70193cd93e112cdcfd4ef00243833",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-04-24T04:06:07Z",
    "title_canon_sha256": "822e840bd5bebae05fcc2732f0ce5c69ff42d0505d653228763cca776f2632f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17234",
    "kind": "arxiv",
    "version": 1
  }
}