Pith Number

pith:QPEHR5MM

pith:2019:QPEHR5MM7RJGBRVVBHGCOJ2BNL

not attested not anchored not stored refs pending

ProxIQA: A Proxy Approach to Perceptual Optimization of Learned Image Compression

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

arxiv:1910.08845 v2 · 2019-10-19 · eess.IV · cs.CV · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPEHR5MM7RJGBRVVBHGCOJ2BNL}

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	2026-07-05T01:51:59.425755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83c878f58cfc5260c6b509cc2727416ac3882896defb4d341ede11336bb5d1ac

Aliases

arxiv: 1910.08845 · arxiv_version: 1910.08845v2 · doi: 10.48550/arxiv.1910.08845 · pith_short_12: QPEHR5MM7RJG · pith_short_16: QPEHR5MM7RJGBRVV · pith_short_8: QPEHR5MM

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/QPEHR5MM7RJGBRVVBHGCOJ2BNL \
  | 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: 83c878f58cfc5260c6b509cc2727416ac3882896defb4d341ede11336bb5d1ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19d632a90eb23a5502bf9eb50cf9d80e7c1d5923562db17bb4eca949e271cfea",
    "cross_cats_sorted": [
      "cs.CV",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-10-19T21:07:33Z",
    "title_canon_sha256": "c210c55839164236def06f4aeec307c0e56d713916f3c3d9b0d294d2515650db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.08845",
    "kind": "arxiv",
    "version": 2
  }
}