Pith Number

pith:NUE4IVFO

pith:2019:NUE4IVFOLPCPSYECBKJ36XLU5X

not attested not anchored not stored refs pending

Human Perceptual Evaluations for Image Compression

R. Manmatha, Srikar Appalaraju, Yash Patel

arxiv:1908.04187 v1 · 2019-08-09 · eess.IV · 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{NUE4IVFOLPCPSYECBKJ36XLU5X}

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	2026-07-04T23:53:21.416573Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d09c454ae5bc4f960820a93bf5d74edd866219a65934fa45784cbbb1d4969b9

Aliases

arxiv: 1908.04187 · arxiv_version: 1908.04187v1 · doi: 10.48550/arxiv.1908.04187 · pith_short_12: NUE4IVFOLPCP · pith_short_16: NUE4IVFOLPCPSYEC · pith_short_8: NUE4IVFO

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/NUE4IVFOLPCPSYECBKJ36XLU5X \
  | 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: 6d09c454ae5bc4f960820a93bf5d74edd866219a65934fa45784cbbb1d4969b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c5cf689f01c750dc2d14860bce6e4d02376a770d6ddf6664121b03166ef5dda",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-08-09T16:53:43Z",
    "title_canon_sha256": "5b6976fc2dd95d5e41b1609263aec62e6abe812b7cd3455b077b7554b65e7ae1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04187",
    "kind": "arxiv",
    "version": 1
  }
}