Pith Number

pith:UGK6GMQ7

pith:2018:UGK6GMQ7W6H4KIESDVFXMSKCZZ

not attested not anchored not stored refs pending

Complementary Segmentation of Primary Video Objects with Reversible Flows

Anlin Zheng, Jia Li, Junjie Wu, Xiaowu Chen, Yafei Song, Yu Zhang

arxiv:1811.09521 v1 · 2018-11-23 · 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{UGK6GMQ7W6H4KIESDVFXMSKCZZ}

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	2026-05-18T00:00:03.165205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a195e3321fb78fc520921d4b764942ce611eec92c20a8935610ee6410ca7dd7b

Aliases

arxiv: 1811.09521 · arxiv_version: 1811.09521v1 · doi: 10.48550/arxiv.1811.09521 · pith_short_12: UGK6GMQ7W6H4 · pith_short_16: UGK6GMQ7W6H4KIES · pith_short_8: UGK6GMQ7

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/UGK6GMQ7W6H4KIESDVFXMSKCZZ \
  | 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: a195e3321fb78fc520921d4b764942ce611eec92c20a8935610ee6410ca7dd7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d557b713f469df7b3b47a722bbedfe18df3069c53d9211c0a178de50b7d3d12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-11-23T15:29:38Z",
    "title_canon_sha256": "7b8d0d7f4a1d4d5b8a03a613a4520d5a09d6468468db474b7a566d2f7d453e14"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.09521",
    "kind": "arxiv",
    "version": 1
  }
}