Pith Number

pith:RFLRIS4W

pith:2019:RFLRIS4W2M3NCLZTXXGFYCXTFT

not attested not anchored not stored refs pending

Successive Refinement of Images with Deep Joint Source-Channel Coding

David Burth Kurka, Deniz Gunduz

arxiv:1903.06333 v2 · 2019-03-15 · cs.IT · cs.LG · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RFLRIS4W2M3NCLZTXXGFYCXTFT}

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	2026-05-17T23:44:49.454724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8957144b96d336d12f33bdcc5c0af32cc46911901083860db28ead3b9e3b3b21

Aliases

arxiv: 1903.06333 · arxiv_version: 1903.06333v2 · doi: 10.48550/arxiv.1903.06333 · pith_short_12: RFLRIS4W2M3N · pith_short_16: RFLRIS4W2M3NCLZT · pith_short_8: RFLRIS4W

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/RFLRIS4W2M3NCLZTXXGFYCXTFT \
  | 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: 8957144b96d336d12f33bdcc5c0af32cc46911901083860db28ead3b9e3b3b21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97b82e937fe38a73452ead08deef617871ace5bcc044aaa7593651dfadcd2b6e",
    "cross_cats_sorted": [
      "cs.LG",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-15T02:45:45Z",
    "title_canon_sha256": "dacf70e184970e39c2407dba028740852e5cbe934a369c8cf1aa56d57d54e234"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06333",
    "kind": "arxiv",
    "version": 2
  }
}