Pith Number

pith:UZH6IRRT

pith:2019:UZH6IRRTN35SHELFE2XGIJCNY2

not attested not anchored not stored refs pending

Hybrid Task Cascade for Instance Segmentation

Chen Change Loy, Dahua Lin, Jiangmiao Pang, Jianping Shi, Jiaqi Wang, Kai Chen, Shuyang Sun, Wanli Ouyang, Wansen Feng, Xiaoxiao Li, Yu Xiong, Ziwei Liu

arxiv:1901.07518 v2 · 2019-01-22 · cs.CV

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

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	2026-05-17T23:49:02.193523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a64fe446336efb23916526ae64244dc69bb137a64b44501fd9b9da4a81ca5e19

Aliases

arxiv: 1901.07518 · arxiv_version: 1901.07518v2 · doi: 10.48550/arxiv.1901.07518 · pith_short_12: UZH6IRRTN35S · pith_short_16: UZH6IRRTN35SHELF · pith_short_8: UZH6IRRT

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/UZH6IRRTN35SHELFE2XGIJCNY2 \
  | 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: a64fe446336efb23916526ae64244dc69bb137a64b44501fd9b9da4a81ca5e19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0650f54235deab24be55a67ceaed69879107cf3864de574ec1d1b4786f518e18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-01-22T18:50:36Z",
    "title_canon_sha256": "5a5c5bc9571b9efaab487af88f39987affe31be5e56487b89cfbc3162fceea56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07518",
    "kind": "arxiv",
    "version": 2
  }
}