Pith Number

pith:UAB2QODX

pith:2026:UAB2QODXIM5XHG3FEVX35BIL6B

not attested not anchored not stored refs pending

TPGDiff: Hierarchical Triple-Prior Guided Diffusion for Image Restoration

Axi Niu, Jiacong Tang, Qingsen Yan, Yanjie Tu

arxiv:2601.20306 v2 · 2026-01-28 · 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{UAB2QODXIM5XHG3FEVX35BIL6B}

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	2026-05-20T00:03:03.166550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a003a83877433b739b65256fbe850bf04d3666b7442878978e7b1d67887d1b09

Aliases

arxiv: 2601.20306 · arxiv_version: 2601.20306v2 · doi: 10.48550/arxiv.2601.20306 · pith_short_12: UAB2QODXIM5X · pith_short_16: UAB2QODXIM5XHG3F · pith_short_8: UAB2QODX

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/UAB2QODXIM5XHG3FEVX35BIL6B \
  | 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: a003a83877433b739b65256fbe850bf04d3666b7442878978e7b1d67887d1b09

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a95ab604297ac9a46a997cd31329a0c5a3d5b6a8484c1b2e597cf02050e163f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-01-28T06:55:07Z",
    "title_canon_sha256": "ec4245781c8d54b7104edf972e3515706234947ec153cfbf4f397fa73cba32e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.20306",
    "kind": "arxiv",
    "version": 2
  }
}