Pith Number

pith:R5U7ZBRG

pith:2026:R5U7ZBRGYCBZILUP7O2YBRN5SD

not attested not anchored not stored refs pending

Reviving Ancient Paintings via Poem: A Colorization Framework for Aligning Cultural Semantics

Biao Zhu, Junming Gao, Tan Tang, Xiaosong Wang

arxiv:2607.17638 v1 · 2026-07-20 · 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{R5U7ZBRGYCBZILUP7O2YBRN5SD}

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	2026-07-21T01:21:56.620006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f69fc8626c083942e8ffbb580c5bd90cdb67cf4614a4bff424d71297d734130

Aliases

arxiv: 2607.17638 · arxiv_version: 2607.17638v1 · doi: 10.48550/arxiv.2607.17638 · pith_short_12: R5U7ZBRGYCBZ · pith_short_16: R5U7ZBRGYCBZILUP · pith_short_8: R5U7ZBRG

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/R5U7ZBRGYCBZILUP7O2YBRN5SD \
  | 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: 8f69fc8626c083942e8ffbb580c5bd90cdb67cf4614a4bff424d71297d734130

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4fb91a2dff0496611a4b596fc72ecd285cff140b3327644a5d94b0372f1e4ae3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-07-20T07:46:37Z",
    "title_canon_sha256": "7be549b79bc0c9400d50e3d5caaed31208e99f24892f551e9b5a547c002b1762"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17638",
    "kind": "arxiv",
    "version": 1
  }
}