Pith Number

pith:UFJ2ZQTL

pith:2018:UFJ2ZQTLOXFR7JENHGDFPGLUCA

not attested not anchored not stored refs pending

The 2018 DAVIS Challenge on Video Object Segmentation

Alberto Montes, Federico Perazzi, Jordi Pont-Tuset, Kevis-Kokitsi Maninis, Luc Van Gool, Sergi Caelles, Yuhua Chen

arxiv:1803.00557 v2 · 2018-03-01 · 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{UFJ2ZQTLOXFR7JENHGDFPGLUCA}

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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.

Cited by

2 papers in Pith

Information theoretic underpinning of self-supervised learning by clustering

SAM 2: Segment Anything in Images and Videos

Receipt and verification

First computed	2026-05-18T00:20:01.833495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a153acc26b75cb1fa48d3986579974103e90735795993c4176757139fccee6e2

Aliases

arxiv: 1803.00557 · arxiv_version: 1803.00557v2 · doi: 10.48550/arxiv.1803.00557 · pith_short_12: UFJ2ZQTLOXFR · pith_short_16: UFJ2ZQTLOXFR7JEN · pith_short_8: UFJ2ZQTL

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/UFJ2ZQTLOXFR7JENHGDFPGLUCA \
  | 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: a153acc26b75cb1fa48d3986579974103e90735795993c4176757139fccee6e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e11468fd2a5fb33e53f9d0953c52517090db075f477944257df00dc44ce537b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-03-01T18:56:36Z",
    "title_canon_sha256": "9d5fc084915d1b5da7435ea398b5a3146377404503d7e1ccf460648ba0146af0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.00557",
    "kind": "arxiv",
    "version": 2
  }
}