Pith Number

pith:R6VBASEX

pith:2021:R6VBASEXJRNI7H25NQFUY2QLCZ

not attested not anchored not stored refs pending

Crossover Learning for Fast Online Video Instance Segmentation

Bin Feng, Chen Fang, Shusheng Yang, Wenyu Liu, Xinggang Wang, Ying Shan, Yu Li, Yuxin Fang

arxiv:2104.05970 v1 · 2021-04-13 · 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{R6VBASEXJRNI7H25NQFUY2QLCZ}

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	2026-07-05T02:31:27.576915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8faa1048974c5a8f9f5d6c0b4c6a0b1669a09f72c0e45b8ee64af899195a789d

Aliases

arxiv: 2104.05970 · arxiv_version: 2104.05970v1 · doi: 10.48550/arxiv.2104.05970 · pith_short_12: R6VBASEXJRNI · pith_short_16: R6VBASEXJRNI7H25 · pith_short_8: R6VBASEX

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/R6VBASEXJRNI7H25NQFUY2QLCZ \
  | 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: 8faa1048974c5a8f9f5d6c0b4c6a0b1669a09f72c0e45b8ee64af899195a789d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7c0bd14806822f0fbd14a2e7cb4cc62e5eb50069ddfd6948149e0e61467626b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-04-13T06:47:40Z",
    "title_canon_sha256": "f65e2217d7684d5d9d14656f8dd9dc6843f40bf9e13e118ff40798afab5bbfe3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.05970",
    "kind": "arxiv",
    "version": 1
  }
}