Pith Number

pith:3NYW2VOU

pith:2023:3NYW2VOUJ2BUDWMNDHLE7OXSMC

not attested not anchored not stored refs pending

Efficient Learned Lossless JPEG Recompression

Dailan He, Hongwei Qin, Jixiang Luo, Lina Guo, Shanshan Wang, Tongda Xu, Yang Wang, Yuanyuan Wang, Zhenjun Ji

arxiv:2308.13287 v1 · 2023-08-25 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3NYW2VOUJ2BUDWMNDHLE7OXSMC}

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	2026-07-05T06:44:41.425835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db716d55d44e8341d98d19d64fbaf26084c62853d106fc3e945c83afcea2fc36

Aliases

arxiv: 2308.13287 · arxiv_version: 2308.13287v1 · doi: 10.48550/arxiv.2308.13287 · pith_short_12: 3NYW2VOUJ2BU · pith_short_16: 3NYW2VOUJ2BUDWMN · pith_short_8: 3NYW2VOU

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/3NYW2VOUJ2BUDWMNDHLE7OXSMC \
  | 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: db716d55d44e8341d98d19d64fbaf26084c62853d106fc3e945c83afcea2fc36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90cfaedbd45394f7df1f6b35e449053c00a3b923b75f4f448fa1f173fb37a556",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2023-08-25T10:23:51Z",
    "title_canon_sha256": "d3dc4ef99d79abfe4abae579f1030cf5697908671d0c3930433b5ad83a95a3a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.13287",
    "kind": "arxiv",
    "version": 1
  }
}