Pith Number

pith:L2P4V7IS

pith:2025:L2P4V7ISEXHB2OJARCHKWAVNM2

not attested not anchored not stored refs pending

Reviving Cultural Heritage: A Novel Approach for Comprehensive Historical Document Restoration

Fengjun Guo, Lianwen Jin, Peirong Zhang, Pengwei Liu, Pengyu Yan, Yongxin Shi, Yuyi Zhang, Zhenhua Yang

arxiv:2507.05108 v2 · 2025-07-07 · cs.CV · cs.AI · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2P4V7ISEXHB2OJARCHKWAVNM2}

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	2026-07-05T11:40:35.261608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e9fcafd1225ce1d3920888eab02ad668e8e4d215bc8f9e89b1ab024fda48b90

Aliases

arxiv: 2507.05108 · arxiv_version: 2507.05108v2 · doi: 10.48550/arxiv.2507.05108 · pith_short_12: L2P4V7ISEXHB · pith_short_16: L2P4V7ISEXHB2OJA · pith_short_8: L2P4V7IS

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/L2P4V7ISEXHB2OJARCHKWAVNM2 \
  | 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: 5e9fcafd1225ce1d3920888eab02ad668e8e4d215bc8f9e89b1ab024fda48b90

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a48107b31adbd6c44bf566cdcd033964edf8320347168afc7ca40e4630c60e0",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-07-07T15:26:17Z",
    "title_canon_sha256": "66e9e1bf3118932bde29c08e4447754f5d42f5d300f8f5d3bb0f95310c9e7a0b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05108",
    "kind": "arxiv",
    "version": 2
  }
}