Pith Number

pith:YTI7DACY

pith:2019:YTI7DACYLZPTTOKAVR7ANQOVHI

not attested not anchored not stored refs pending

Ancient Painting to Natural Image: A New Solution for Painting Processing

Duanqing Xu, Miao Zhang, Tingting Qiao, Weijing Zhang, Zixuan Ma

arxiv:1901.00224 v2 · 2019-01-02 · 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{YTI7DACYLZPTTOKAVR7ANQOVHI}

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	2026-05-17T23:49:54.952479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4d1f180585e5f39b940ac7e06c1d53a130a9bc299b685219784eeee406d9639

Aliases

arxiv: 1901.00224 · arxiv_version: 1901.00224v2 · doi: 10.48550/arxiv.1901.00224 · pith_short_12: YTI7DACYLZPT · pith_short_16: YTI7DACYLZPTTOKA · pith_short_8: YTI7DACY

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/YTI7DACYLZPTTOKAVR7ANQOVHI \
  | 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: c4d1f180585e5f39b940ac7e06c1d53a130a9bc299b685219784eeee406d9639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89579b8862fc14580074a4f179ca9a3cba954f6ad4b8e314199a8999eb1d55e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-02T00:35:19Z",
    "title_canon_sha256": "c85f65b6e449259c529909b83dec5a748ab1be6698a8e76e7a6c7786d1cb75a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.00224",
    "kind": "arxiv",
    "version": 2
  }
}