Pith Number

pith:PDIV6THU

pith:2018:PDIV6THUL3KZ6N52CGEQISS6GJ

not attested not anchored not stored refs pending

Two-layer Lossless HDR Coding considering Histogram Sparseness with Backward Compatibility to JPEG

Hiroyuki Kobayashi, Hitoshi Kiya, Osamu Watanabe

arxiv:1806.10746 v1 · 2018-06-28 · 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{PDIV6THUL3KZ6N52CGEQISS6GJ}

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	2026-05-18T00:12:08.069764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78d15f4cf45ed59f37ba1189044a5e325753ad13d0a6f57b5065a919536d4122

Aliases

arxiv: 1806.10746 · arxiv_version: 1806.10746v1 · doi: 10.48550/arxiv.1806.10746 · pith_short_12: PDIV6THUL3KZ · pith_short_16: PDIV6THUL3KZ6N52 · pith_short_8: PDIV6THU

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/PDIV6THUL3KZ6N52CGEQISS6GJ \
  | 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: 78d15f4cf45ed59f37ba1189044a5e325753ad13d0a6f57b5065a919536d4122

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebf0d3d7c9de0b65e2ad8714d2fc8f860343a0c84295a6f8b440885678d87a07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-06-28T02:53:11Z",
    "title_canon_sha256": "b79d1556ff1057a5baf8d9a722f7a07baedbeb565ad7c2acd74464039de059cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.10746",
    "kind": "arxiv",
    "version": 1
  }
}