Pith Number

pith:S3JT6VOL

pith:2016:S3JT6VOLXVDJ6A75M6M6PZQPEY

not attested not anchored not stored refs pending

Image Quality Assessment for Performance Evaluation of Focus Measure Operators

Farida Memon, Mukhtiar Ali Unar, Sheeraz Memon

arxiv:1604.00546 v1 · 2016-04-02 · 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{S3JT6VOLXVDJ6A75M6M6PZQPEY}

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	2026-05-18T01:17:49.265453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96d33f55cbbd469f03fd6799e7e60f262ae246359a81c2616ca533ac47a25c08

Aliases

arxiv: 1604.00546 · arxiv_version: 1604.00546v1 · doi: 10.48550/arxiv.1604.00546 · pith_short_12: S3JT6VOLXVDJ · pith_short_16: S3JT6VOLXVDJ6A75 · pith_short_8: S3JT6VOL

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/S3JT6VOLXVDJ6A75M6M6PZQPEY \
  | 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: 96d33f55cbbd469f03fd6799e7e60f262ae246359a81c2616ca533ac47a25c08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1191d0be1becc59e65b82d27e59aeaa6dfd321b7e461957ac52e79cabd42471",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2016-04-02T19:28:01Z",
    "title_canon_sha256": "ea572903e8bbd04ec7baf6b69611e4a79fac7057401357d6efe2eb7a469341d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.00546",
    "kind": "arxiv",
    "version": 1
  }
}