Pith Number

pith:OYDNGTQO

pith:2025:OYDNGTQOB2CEI3T37SAVUAWBID

not attested not anchored not stored refs pending

Enhancing Reference-based Sketch Colorization via Separating Reference Representations

Dingkun Yan, Jiaxian Guo, Suguru Saito, Xinrui Wang, Yusuke Iwasawa, Yutaka Matsuo, Zhuoru Li

arxiv:2508.17620 v1 · 2025-08-25 · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYDNGTQOB2CEI3T37SAVUAWBID}

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	2026-07-05T11:58:44.747670Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7606d34e0e0e84446e7bfc815a02c140eaeb05a83d41f63b9d23be52cd9e23b5

Aliases

arxiv: 2508.17620 · arxiv_version: 2508.17620v1 · doi: 10.48550/arxiv.2508.17620 · pith_short_12: OYDNGTQOB2CE · pith_short_16: OYDNGTQOB2CEI3T3 · pith_short_8: OYDNGTQO

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/OYDNGTQOB2CEI3T37SAVUAWBID \
  | 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: 7606d34e0e0e84446e7bfc815a02c140eaeb05a83d41f63b9d23be52cd9e23b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "64abc165a7f72452e7f18b2c1b3554717bbde9395bbc04d6c4a6185ebaa593f4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2025-08-25T02:56:49Z",
    "title_canon_sha256": "baa873b785280356ee8c71a84ba7f4601f0766e4cefa6a2126b936ebecb48503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.17620",
    "kind": "arxiv",
    "version": 1
  }
}