Pith Number

pith:PHORFXOM

pith:2020:PHORFXOMY445KNNHUTJ3SU3WYW

not attested not anchored not stored refs pending

Perceptually Optimizing Deep Image Compression

Alan C. Bovik, Andrey Norkin, Christos G. Bampis, Li-Heng Chen, Zhi Li

arxiv:2007.02711 v2 · 2020-07-03 · 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{PHORFXOMY445KNNHUTJ3SU3WYW}

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	2026-07-05T01:17:41.900789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79dd12ddccc739d535a7a4d3b95376c5879beb9c79dacbfe4a5039649c1a9810

Aliases

arxiv: 2007.02711 · arxiv_version: 2007.02711v2 · doi: 10.48550/arxiv.2007.02711 · pith_short_12: PHORFXOMY445 · pith_short_16: PHORFXOMY445KNNH · pith_short_8: PHORFXOM

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/PHORFXOMY445KNNHUTJ3SU3WYW \
  | 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: 79dd12ddccc739d535a7a4d3b95376c5879beb9c79dacbfe4a5039649c1a9810

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28e9603d0ca3ad34a0c99d4bbb3235cf1b9e1cfc9f96ab1fec68f7a7f909dc98",
    "cross_cats_sorted": [
      "cs.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2020-07-03T14:33:28Z",
    "title_canon_sha256": "9b957a80471783a924aae7af8e450af37a2f07cd465095277496fcc8f3280482"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.02711",
    "kind": "arxiv",
    "version": 2
  }
}