Pith Number

pith:LL2FNJ5Q

pith:2024:LL2FNJ5QR2DQTWOWTGLZHY7T2Z

not attested not anchored not stored refs pending

MetaShadow: Object-Centered Shadow Detection, Removal, and Synthesis

Chi-Wing Fu, Haitian Zheng, Jianming Zhang, Luis Figueroa, Scott Cohen, Soo Ye Kim, Tianyu Wang, Wei Xiong, Zhe Lin, Zhihong Ding

arxiv:2412.02635 v1 · 2024-12-03 · 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{LL2FNJ5QR2DQTWOWTGLZHY7T2Z}

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	2026-07-05T09:43:52.897679Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5af456a7b08e8709d9d6999793e3f3d65f3cdc01c7fce8c8385bd25922e4fda5

Aliases

arxiv: 2412.02635 · arxiv_version: 2412.02635v1 · doi: 10.48550/arxiv.2412.02635 · pith_short_12: LL2FNJ5QR2DQ · pith_short_16: LL2FNJ5QR2DQTWOW · pith_short_8: LL2FNJ5Q

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/LL2FNJ5QR2DQTWOWTGLZHY7T2Z \
  | 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: 5af456a7b08e8709d9d6999793e3f3d65f3cdc01c7fce8c8385bd25922e4fda5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3314ee69ef5ce88563f47395ad9d526d304375b2dc28f311eea7e38c97768f1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2024-12-03T18:04:42Z",
    "title_canon_sha256": "3456ba83352015abf1e37fdcd4ac169dd21e7586cb5a48c640b59ac0b568b2d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.02635",
    "kind": "arxiv",
    "version": 1
  }
}