Pith Number

pith:5SJFT737

pith:2015:5SJFT7375XBB5VTLIHYP4ENDFZ

not attested not anchored not stored refs pending

Learn to Evaluate Image Perceptual Quality Blindly from Statistics of Self-similarity

Lei Zhang, Wufeng Xue, Xuanqin Mou

arxiv:1510.02884 v1 · 2015-10-10 · 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{5SJFT7375XBB5VTLIHYP4ENDFZ}

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	2026-05-18T01:30:33.479049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec9259ff7fedc21ed66b41f0fe11a32e6c66cb6e47d6fe98f5602eaff8f020eb

Aliases

arxiv: 1510.02884 · arxiv_version: 1510.02884v1 · doi: 10.48550/arxiv.1510.02884 · pith_short_12: 5SJFT7375XBB · pith_short_16: 5SJFT7375XBB5VTL · pith_short_8: 5SJFT737

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/5SJFT7375XBB5VTLIHYP4ENDFZ \
  | 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: ec9259ff7fedc21ed66b41f0fe11a32e6c66cb6e47d6fe98f5602eaff8f020eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcf067e781dfa232ab6c46bff504a5005dd272a40dae7aa011dce5689ff8432b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2015-10-10T07:23:30Z",
    "title_canon_sha256": "6e53dbede73c16f1d1f98be1e139a8f5c03104dce7905ecddba48503f4823bbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02884",
    "kind": "arxiv",
    "version": 1
  }
}