Pith Number

pith:KQRWUGPQ

pith:2019:KQRWUGPQOSZ7D6UZF2YUDGNOZN

not attested not anchored not stored refs pending

Learned Image Compression with Soft Bit-based Rate-Distortion Optimization

Chih-Peng Chang, David Alexandre, Hsueh-Ming Hang, Wen-Hsiao Peng

arxiv:1905.00190 v1 · 2019-05-01 · eess.IV · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KQRWUGPQOSZ7D6UZF2YUDGNOZN}

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	2026-05-17T23:47:13.477480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54236a19f074b3f1fa992eb14199aecb78f939fed5eaba55a1184a058fbaeb79

Aliases

arxiv: 1905.00190 · arxiv_version: 1905.00190v1 · doi: 10.48550/arxiv.1905.00190 · pith_short_12: KQRWUGPQOSZ7 · pith_short_16: KQRWUGPQOSZ7D6UZ · pith_short_8: KQRWUGPQ

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/KQRWUGPQOSZ7D6UZF2YUDGNOZN \
  | 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: 54236a19f074b3f1fa992eb14199aecb78f939fed5eaba55a1184a058fbaeb79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da36f95097e623b8a8addfc1952b595be81acb30c58133d07e2df5766cb56ea0",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2019-05-01T05:30:55Z",
    "title_canon_sha256": "6bfde5f52bf41057dad625f6e5aace61c1c925cc5d18b91c477d903362768466"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00190",
    "kind": "arxiv",
    "version": 1
  }
}