Pith Number

pith:MA7JA4SS

pith:2020:MA7JA4SSUWWNYQFOX4RBZMNSH2

not attested not anchored not stored refs pending

CRVOS: Clue Refining Network for Video Object Segmentation

Heansung Lee, MyeongAh Cho, Sangyoun Lee, Suhwan Cho, Tae-young Chung

arxiv:2002.03651 v4 · 2020-02-10 · 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{MA7JA4SSUWWNYQFOX4RBZMNSH2}

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	2026-07-05T01:07:12.948189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

603e907252a5acdc40aebf221cb1b23e8d3d0899595966b4f545469a7f2fd8d4

Aliases

arxiv: 2002.03651 · arxiv_version: 2002.03651v4 · doi: 10.48550/arxiv.2002.03651 · pith_short_12: MA7JA4SSUWWN · pith_short_16: MA7JA4SSUWWNYQFO · pith_short_8: MA7JA4SS

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/MA7JA4SSUWWNYQFOX4RBZMNSH2 \
  | 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: 603e907252a5acdc40aebf221cb1b23e8d3d0899595966b4f545469a7f2fd8d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3781ed33ec1125a1e649d7710be6e9f6df4278d0ba705b1701647e59841d66d1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-02-10T10:55:31Z",
    "title_canon_sha256": "ca15f2f788a0a4b1f152b1da647412c4e071478a92ddc30cb53f42b91f9b5916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.03651",
    "kind": "arxiv",
    "version": 4
  }
}